640107720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 384

約数和(自身を含む): 2594592000

約数和(自身を除く): 1954484280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 29, 30, 35, 36, 38, 40, 42, 45, 56, 57, 58, 60, 63, 70, 72, 76, 84, 87, 90, 95, 105, 114, 116, 120, 126, 133, 140, 145, 152, 168, 171, 174, 180, 190, 203, 210, 228, 232, 252, 261, 266, 280, 285, 290, 315, 342, 348, 360, 380, 399, 406, 420, 435, 456, 461, 504, 522, 532, 551, 570, 580, 609, 630, 665, 684, 696, 760, 798, 812, 840, 855, 870, 922, 1015, 1044, 1064, 1102, 1140, 1160, 1197, 1218, 1260, 1305, 1330, 1368, 1383, 1596, 1624, 1653, 1710, 1740, 1827, 1844, 1995, 2030, 2088, 2204, 2280, 2305, 2394, 2436, 2520, 2610, 2660, 2755, 2766, 3045, 3192, 3227, 3306, 3420, 3480, 3654, 3688, 3857, 3990, 4060, 4149, 4408, 4610, 4788, 4872, 4959, 5220, 5320, 5510, 5532, 5985, 6090, 6454, 6612, 6840, 6915, 7308, 7714, 7980, 8120, 8265, 8298, 8759, 9135, 9220, 9576, 9681, 9918, 10440, 11020, 11064, 11571, 11970, 12180, 12908, 13224, 13369, 13830, 14616, 15428, 15960, 16135, 16530, 16596, 17518, 18270, 18440, 19285, 19362, 19836, 20745, 22040, 23142, 23940, 24360, 24795, 25816, 26277, 26738, 27660, 29043, 30856, 32270, 33060, 33192, 34713, 35036, 36540, 38570, 38724, 39672, 40107, 41490, 43795, 46284, 47880, 48405, 49590, 52554, 53476, 55320, 57855, 58086, 61313, 64540, 66120, 66845, 69426, 70072, 73080, 77140, 77448, 78831, 80214, 82980, 87590, 92568, 93583, 96810, 99180, 105108, 106952, 115710, 116172, 120321, 122626, 129080, 131385, 133690, 138852, 145215, 154280, 157662, 160428, 165960, 173565, 175180, 183939, 187166, 193620, 198360, 200535, 210216, 231420, 232344, 240642, 245252, 254011, 262770, 267380, 277704, 280749, 290430, 306565, 315324, 320856, 347130, 350360, 367878, 374332, 387240, 394155, 401070, 462840, 467915, 481284, 490504, 508022, 525540, 534760, 551817, 561498, 580860, 601605, 613130, 630648, 694260, 735756, 748664, 762033, 788310, 802140, 842247, 919695, 935830, 962568, 1016044, 1051080, 1103634, 1122996, 1161720, 1203210, 1226260, 1270055, 1388520, 1403745, 1471512, 1524066, 1576620, 1604280, 1684494, 1778077, 1839390, 1871660, 2032088, 2207268, 2245992, 2286099, 2406420, 2452520, 2540110, 2759085, 2807490, 3048132, 3153240, 3368988, 3556154, 3678780, 3743320, 3810165, 4211235, 4414536, 4572198, 4812840, 5080220, 5334231, 5518170, 5614980, 6096264, 6737976, 7112308, 7357560, 7620330, 8422470, 8890385, 9144396, 10160440, 10668462, 11036340, 11229960, 11430495, 14224616, 15240660, 16002693, 16844940, 17780770, 18288792, 21336924, 22072680, 22860990, 26671155, 30481320, 32005386, 33689880, 35561540, 42673848, 45721980, 53342310, 64010772, 71123080, 80013465, 91443960, 106684620, 128021544, 160026930, 213369240, 320053860, 640107720]

約数ペア:

[(1, 640107720), (2, 320053860), (3, 213369240), (4, 160026930), (5, 128021544), (6, 106684620), (7, 91443960), (8, 80013465), (9, 71123080), (10, 64010772), (12, 53342310), (14, 45721980), (15, 42673848), (18, 35561540), (19, 33689880), (20, 32005386), (21, 30481320), (24, 26671155), (28, 22860990), (29, 22072680), (30, 21336924), (35, 18288792), (36, 17780770), (38, 16844940), (40, 16002693), (42, 15240660), (45, 14224616), (56, 11430495), (57, 11229960), (58, 11036340), (60, 10668462), (63, 10160440), (70, 9144396), (72, 8890385), (76, 8422470), (84, 7620330), (87, 7357560), (90, 7112308), (95, 6737976), (105, 6096264), (114, 5614980), (116, 5518170), (120, 5334231), (126, 5080220), (133, 4812840), (140, 4572198), (145, 4414536), (152, 4211235), (168, 3810165), (171, 3743320), (174, 3678780), (180, 3556154), (190, 3368988), (203, 3153240), (210, 3048132), (228, 2807490), (232, 2759085), (252, 2540110), (261, 2452520), (266, 2406420), (280, 2286099), (285, 2245992), (290, 2207268), (315, 2032088), (342, 1871660), (348, 1839390), (360, 1778077), (380, 1684494), (399, 1604280), (406, 1576620), (420, 1524066), (435, 1471512), (456, 1403745), (461, 1388520), (504, 1270055), (522, 1226260), (532, 1203210), (551, 1161720), (570, 1122996), (580, 1103634), (609, 1051080), (630, 1016044), (665, 962568), (684, 935830), (696, 919695), (760, 842247), (798, 802140), (812, 788310), (840, 762033), (855, 748664), (870, 735756), (922, 694260), (1015, 630648), (1044, 613130), (1064, 601605), (1102, 580860), (1140, 561498), (1160, 551817), (1197, 534760), (1218, 525540), (1260, 508022), (1305, 490504), (1330, 481284), (1368, 467915), (1383, 462840), (1596, 401070), (1624, 394155), (1653, 387240), (1710, 374332), (1740, 367878), (1827, 350360), (1844, 347130), (1995, 320856), (2030, 315324), (2088, 306565), (2204, 290430), (2280, 280749), (2305, 277704), (2394, 267380), (2436, 262770), (2520, 254011), (2610, 245252), (2660, 240642), (2755, 232344), (2766, 231420), (3045, 210216), (3192, 200535), (3227, 198360), (3306, 193620), (3420, 187166), (3480, 183939), (3654, 175180), (3688, 173565), (3857, 165960), (3990, 160428), (4060, 157662), (4149, 154280), (4408, 145215), (4610, 138852), (4788, 133690), (4872, 131385), (4959, 129080), (5220, 122626), (5320, 120321), (5510, 116172), (5532, 115710), (5985, 106952), (6090, 105108), (6454, 99180), (6612, 96810), (6840, 93583), (6915, 92568), (7308, 87590), (7714, 82980), (7980, 80214), (8120, 78831), (8265, 77448), (8298, 77140), (8759, 73080), (9135, 70072), (9220, 69426), (9576, 66845), (9681, 66120), (9918, 64540), (10440, 61313), (11020, 58086), (11064, 57855), (11571, 55320), (11970, 53476), (12180, 52554), (12908, 49590), (13224, 48405), (13369, 47880), (13830, 46284), (14616, 43795), (15428, 41490), (15960, 40107), (16135, 39672), (16530, 38724), (16596, 38570), (17518, 36540), (18270, 35036), (18440, 34713), (19285, 33192), (19362, 33060), (19836, 32270), (20745, 30856), (22040, 29043), (23142, 27660), (23940, 26738), (24360, 26277), (24795, 25816)]