646534140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 384

約数和(自身を含む): 2378170368

約数和(自身を除く): 1731636228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 31, 34, 35, 42, 46, 51, 60, 62, 68, 69, 70, 84, 85, 92, 93, 102, 105, 115, 119, 124, 127, 138, 140, 155, 161, 170, 186, 204, 210, 217, 230, 238, 254, 255, 276, 310, 322, 340, 345, 357, 372, 381, 391, 420, 434, 460, 465, 476, 483, 508, 510, 527, 595, 620, 635, 644, 651, 690, 713, 714, 762, 782, 805, 868, 889, 930, 966, 1020, 1054, 1085, 1173, 1190, 1270, 1302, 1380, 1426, 1428, 1524, 1564, 1581, 1610, 1778, 1785, 1860, 1905, 1932, 1955, 2108, 2139, 2159, 2170, 2346, 2380, 2415, 2540, 2604, 2635, 2667, 2737, 2852, 2921, 3162, 3220, 3255, 3556, 3565, 3570, 3689, 3810, 3910, 3937, 4278, 4318, 4340, 4445, 4692, 4830, 4991, 5270, 5334, 5474, 5842, 5865, 6324, 6477, 6510, 7130, 7140, 7378, 7620, 7820, 7874, 7905, 8211, 8556, 8636, 8763, 8890, 9660, 9982, 10540, 10668, 10695, 10795, 10948, 11067, 11684, 11730, 11811, 12121, 12954, 13020, 13335, 13685, 14260, 14605, 14756, 14973, 15113, 15748, 15810, 16422, 17526, 17780, 18445, 19685, 19964, 20447, 21390, 21590, 22134, 23460, 23622, 24242, 24955, 25908, 26670, 27370, 27559, 29210, 29946, 30226, 31620, 32385, 32844, 35052, 36363, 36890, 39370, 40894, 41055, 42780, 43180, 43815, 44268, 45339, 47244, 48484, 49657, 49910, 53340, 54740, 55118, 55335, 58420, 59055, 59892, 60452, 60605, 61341, 64770, 66929, 72726, 73780, 74865, 75565, 78740, 81788, 82110, 82677, 84847, 87630, 90551, 90678, 99314, 99820, 102235, 110236, 110670, 118110, 121210, 122682, 129540, 133858, 137795, 145452, 148971, 149730, 151130, 164220, 165354, 169694, 175260, 181102, 181356, 181815, 198628, 200787, 204470, 221340, 226695, 236220, 242420, 245364, 248285, 254541, 267716, 271653, 275590, 297942, 299460, 302260, 306705, 330708, 334645, 339388, 347599, 362204, 363630, 401574, 408940, 413385, 424235, 452755, 453390, 468503, 496570, 509082, 543306, 551180, 595884, 613410, 633857, 669290, 695198, 727260, 744855, 803148, 826770, 848470, 905510, 906780, 937006, 993140, 1003935, 1018164, 1042797, 1086612, 1226820, 1267714, 1272705, 1338580, 1358265, 1390396, 1405509, 1489710, 1539367, 1653540, 1696940, 1737995, 1811020, 1874012, 1901571, 2007870, 2085594, 2342515, 2535428, 2545410, 2716530, 2811018, 2979420, 3078734, 3169285, 3475990, 3803142, 4015740, 4171188, 4618101, 4685030, 5090820, 5213985, 5433060, 5622036, 6157468, 6338570, 6951980, 7027545, 7606284, 7696835, 9236202, 9370060, 9507855, 10427970, 10775569, 12677140, 14055090, 15393670, 18472404, 19015710, 20855940, 21551138, 23090505, 28110180, 30787340, 32326707, 38031420, 43102276, 46181010, 53877845, 64653414, 92362020, 107755690, 129306828, 161633535, 215511380, 323267070, 646534140]

約数ペア:

[(1, 646534140), (2, 323267070), (3, 215511380), (4, 161633535), (5, 129306828), (6, 107755690), (7, 92362020), (10, 64653414), (12, 53877845), (14, 46181010), (15, 43102276), (17, 38031420), (20, 32326707), (21, 30787340), (23, 28110180), (28, 23090505), (30, 21551138), (31, 20855940), (34, 19015710), (35, 18472404), (42, 15393670), (46, 14055090), (51, 12677140), (60, 10775569), (62, 10427970), (68, 9507855), (69, 9370060), (70, 9236202), (84, 7696835), (85, 7606284), (92, 7027545), (93, 6951980), (102, 6338570), (105, 6157468), (115, 5622036), (119, 5433060), (124, 5213985), (127, 5090820), (138, 4685030), (140, 4618101), (155, 4171188), (161, 4015740), (170, 3803142), (186, 3475990), (204, 3169285), (210, 3078734), (217, 2979420), (230, 2811018), (238, 2716530), (254, 2545410), (255, 2535428), (276, 2342515), (310, 2085594), (322, 2007870), (340, 1901571), (345, 1874012), (357, 1811020), (372, 1737995), (381, 1696940), (391, 1653540), (420, 1539367), (434, 1489710), (460, 1405509), (465, 1390396), (476, 1358265), (483, 1338580), (508, 1272705), (510, 1267714), (527, 1226820), (595, 1086612), (620, 1042797), (635, 1018164), (644, 1003935), (651, 993140), (690, 937006), (713, 906780), (714, 905510), (762, 848470), (782, 826770), (805, 803148), (868, 744855), (889, 727260), (930, 695198), (966, 669290), (1020, 633857), (1054, 613410), (1085, 595884), (1173, 551180), (1190, 543306), (1270, 509082), (1302, 496570), (1380, 468503), (1426, 453390), (1428, 452755), (1524, 424235), (1564, 413385), (1581, 408940), (1610, 401574), (1778, 363630), (1785, 362204), (1860, 347599), (1905, 339388), (1932, 334645), (1955, 330708), (2108, 306705), (2139, 302260), (2159, 299460), (2170, 297942), (2346, 275590), (2380, 271653), (2415, 267716), (2540, 254541), (2604, 248285), (2635, 245364), (2667, 242420), (2737, 236220), (2852, 226695), (2921, 221340), (3162, 204470), (3220, 200787), (3255, 198628), (3556, 181815), (3565, 181356), (3570, 181102), (3689, 175260), (3810, 169694), (3910, 165354), (3937, 164220), (4278, 151130), (4318, 149730), (4340, 148971), (4445, 145452), (4692, 137795), (4830, 133858), (4991, 129540), (5270, 122682), (5334, 121210), (5474, 118110), (5842, 110670), (5865, 110236), (6324, 102235), (6477, 99820), (6510, 99314), (7130, 90678), (7140, 90551), (7378, 87630), (7620, 84847), (7820, 82677), (7874, 82110), (7905, 81788), (8211, 78740), (8556, 75565), (8636, 74865), (8763, 73780), (8890, 72726), (9660, 66929), (9982, 64770), (10540, 61341), (10668, 60605), (10695, 60452), (10795, 59892), (10948, 59055), (11067, 58420), (11684, 55335), (11730, 55118), (11811, 54740), (12121, 53340), (12954, 49910), (13020, 49657), (13335, 48484), (13685, 47244), (14260, 45339), (14605, 44268), (14756, 43815), (14973, 43180), (15113, 42780), (15748, 41055), (15810, 40894), (16422, 39370), (17526, 36890), (17780, 36363), (18445, 35052), (19685, 32844), (19964, 32385), (20447, 31620), (21390, 30226), (21590, 29946), (22134, 29210), (23460, 27559), (23622, 27370), (24242, 26670), (24955, 25908)]