640159920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 480

約数和(自身を含む): 2451271680

約数和(自身を除く): 1811111760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 29, 30, 31, 36, 40, 43, 45, 46, 48, 58, 60, 62, 69, 72, 80, 86, 87, 90, 92, 93, 115, 116, 120, 124, 129, 138, 144, 145, 155, 172, 174, 180, 184, 186, 207, 215, 230, 232, 240, 248, 258, 261, 276, 279, 290, 310, 344, 345, 348, 360, 368, 372, 387, 414, 430, 435, 460, 464, 465, 496, 516, 522, 552, 558, 580, 620, 645, 667, 688, 690, 696, 713, 720, 744, 774, 828, 860, 870, 899, 920, 930, 989, 1032, 1035, 1044, 1104, 1116, 1160, 1240, 1247, 1290, 1305, 1333, 1334, 1380, 1392, 1395, 1426, 1488, 1548, 1656, 1720, 1740, 1798, 1840, 1860, 1935, 1978, 2001, 2064, 2070, 2088, 2139, 2232, 2320, 2480, 2494, 2580, 2610, 2666, 2668, 2697, 2760, 2790, 2852, 2967, 3096, 3312, 3335, 3440, 3480, 3565, 3596, 3720, 3741, 3870, 3956, 3999, 4002, 4140, 4176, 4278, 4464, 4495, 4945, 4988, 5160, 5220, 5332, 5336, 5394, 5520, 5580, 5704, 5934, 6003, 6192, 6235, 6417, 6665, 6670, 6960, 7130, 7192, 7440, 7482, 7740, 7912, 7998, 8004, 8091, 8280, 8556, 8901, 8990, 9890, 9976, 10005, 10320, 10440, 10664, 10672, 10695, 10788, 11160, 11223, 11408, 11868, 11997, 12006, 12470, 12834, 13330, 13340, 13485, 14260, 14384, 14835, 14964, 15480, 15824, 15996, 16008, 16182, 16560, 17112, 17802, 17980, 18705, 19780, 19952, 19995, 20010, 20677, 20880, 21328, 21390, 21576, 22320, 22446, 23736, 23994, 24012, 24940, 25668, 26660, 26680, 26970, 28520, 28681, 29670, 29928, 30015, 30659, 30960, 31992, 32016, 32085, 32364, 34224, 35604, 35960, 37410, 38657, 39560, 39990, 40020, 40455, 41354, 42780, 43152, 44505, 44892, 47472, 47988, 48024, 49880, 51336, 53320, 53360, 53940, 56115, 57040, 57362, 59340, 59856, 59985, 60030, 61318, 62031, 63984, 64170, 64728, 71208, 71920, 74820, 77314, 79120, 79980, 80040, 80910, 82708, 85560, 86043, 89010, 89784, 91977, 95976, 96048, 99760, 102672, 103385, 106640, 107880, 112230, 114724, 115971, 118680, 119970, 120060, 122636, 124062, 128340, 129456, 142416, 143405, 149640, 153295, 154628, 159960, 160080, 161820, 165416, 171120, 172086, 178020, 179568, 183954, 186093, 191952, 193285, 206770, 215760, 224460, 229448, 231942, 237360, 239940, 240120, 245272, 248124, 256680, 258129, 275931, 286810, 299280, 306590, 309256, 310155, 319920, 323640, 330832, 344172, 347913, 356040, 367908, 372186, 386570, 413540, 430215, 448920, 458896, 459885, 463884, 479880, 480240, 490544, 496248, 513360, 516258, 551862, 573620, 579855, 613180, 618512, 620310, 647280, 688344, 695826, 712080, 735816, 744372, 773140, 827080, 860430, 889111, 897840, 919770, 927768, 930465, 959760, 992496, 1032516, 1103724, 1147240, 1159710, 1226360, 1240620, 1290645, 1376688, 1379655, 1391652, 1471632, 1488744, 1546280, 1654160, 1720860, 1739565, 1778222, 1839540, 1855536, 1860930, 2065032, 2207448, 2294480, 2319420, 2452720, 2481240, 2581290, 2667333, 2759310, 2783304, 2977488, 3092560, 3441720, 3479130, 3556444, 3679080, 3721860, 4130064, 4414896, 4445555, 4638840, 4962480, 5162580, 5334666, 5518620, 5566608, 6883440, 6958260, 7112888, 7358160, 7443720, 8001999, 8891110, 9277680, 10325160, 10669332, 11037240, 13336665, 13916520, 14225776, 14887440, 16003998, 17782220, 20650320, 21338664, 22074480, 26673330, 27833040, 32007996, 35564440, 40009995, 42677328, 53346660, 64015992, 71128880, 80019990, 106693320, 128031984, 160039980, 213386640, 320079960, 640159920]

約数ペア:

[(1, 640159920), (2, 320079960), (3, 213386640), (4, 160039980), (5, 128031984), (6, 106693320), (8, 80019990), (9, 71128880), (10, 64015992), (12, 53346660), (15, 42677328), (16, 40009995), (18, 35564440), (20, 32007996), (23, 27833040), (24, 26673330), (29, 22074480), (30, 21338664), (31, 20650320), (36, 17782220), (40, 16003998), (43, 14887440), (45, 14225776), (46, 13916520), (48, 13336665), (58, 11037240), (60, 10669332), (62, 10325160), (69, 9277680), (72, 8891110), (80, 8001999), (86, 7443720), (87, 7358160), (90, 7112888), (92, 6958260), (93, 6883440), (115, 5566608), (116, 5518620), (120, 5334666), (124, 5162580), (129, 4962480), (138, 4638840), (144, 4445555), (145, 4414896), (155, 4130064), (172, 3721860), (174, 3679080), (180, 3556444), (184, 3479130), (186, 3441720), (207, 3092560), (215, 2977488), (230, 2783304), (232, 2759310), (240, 2667333), (248, 2581290), (258, 2481240), (261, 2452720), (276, 2319420), (279, 2294480), (290, 2207448), (310, 2065032), (344, 1860930), (345, 1855536), (348, 1839540), (360, 1778222), (368, 1739565), (372, 1720860), (387, 1654160), (414, 1546280), (430, 1488744), (435, 1471632), (460, 1391652), (464, 1379655), (465, 1376688), (496, 1290645), (516, 1240620), (522, 1226360), (552, 1159710), (558, 1147240), (580, 1103724), (620, 1032516), (645, 992496), (667, 959760), (688, 930465), (690, 927768), (696, 919770), (713, 897840), (720, 889111), (744, 860430), (774, 827080), (828, 773140), (860, 744372), (870, 735816), (899, 712080), (920, 695826), (930, 688344), (989, 647280), (1032, 620310), (1035, 618512), (1044, 613180), (1104, 579855), (1116, 573620), (1160, 551862), (1240, 516258), (1247, 513360), (1290, 496248), (1305, 490544), (1333, 480240), (1334, 479880), (1380, 463884), (1392, 459885), (1395, 458896), (1426, 448920), (1488, 430215), (1548, 413540), (1656, 386570), (1720, 372186), (1740, 367908), (1798, 356040), (1840, 347913), (1860, 344172), (1935, 330832), (1978, 323640), (2001, 319920), (2064, 310155), (2070, 309256), (2088, 306590), (2139, 299280), (2232, 286810), (2320, 275931), (2480, 258129), (2494, 256680), (2580, 248124), (2610, 245272), (2666, 240120), (2668, 239940), (2697, 237360), (2760, 231942), (2790, 229448), (2852, 224460), (2967, 215760), (3096, 206770), (3312, 193285), (3335, 191952), (3440, 186093), (3480, 183954), (3565, 179568), (3596, 178020), (3720, 172086), (3741, 171120), (3870, 165416), (3956, 161820), (3999, 160080), (4002, 159960), (4140, 154628), (4176, 153295), (4278, 149640), (4464, 143405), (4495, 142416), (4945, 129456), (4988, 128340), (5160, 124062), (5220, 122636), (5332, 120060), (5336, 119970), (5394, 118680), (5520, 115971), (5580, 114724), (5704, 112230), (5934, 107880), (6003, 106640), (6192, 103385), (6235, 102672), (6417, 99760), (6665, 96048), (6670, 95976), (6960, 91977), (7130, 89784), (7192, 89010), (7440, 86043), (7482, 85560), (7740, 82708), (7912, 80910), (7998, 80040), (8004, 79980), (8091, 79120), (8280, 77314), (8556, 74820), (8901, 71920), (8990, 71208), (9890, 64728), (9976, 64170), (10005, 63984), (10320, 62031), (10440, 61318), (10664, 60030), (10672, 59985), (10695, 59856), (10788, 59340), (11160, 57362), (11223, 57040), (11408, 56115), (11868, 53940), (11997, 53360), (12006, 53320), (12470, 51336), (12834, 49880), (13330, 48024), (13340, 47988), (13485, 47472), (14260, 44892), (14384, 44505), (14835, 43152), (14964, 42780), (15480, 41354), (15824, 40455), (15996, 40020), (16008, 39990), (16182, 39560), (16560, 38657), (17112, 37410), (17802, 35960), (17980, 35604), (18705, 34224), (19780, 32364), (19952, 32085), (19995, 32016), (20010, 31992), (20677, 30960), (20880, 30659), (21328, 30015), (21390, 29928), (21576, 29670), (22320, 28681), (22446, 28520), (23736, 26970), (23994, 26680), (24012, 26660), (24940, 25668)]