65375280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 236770560

約数和(自身を除く): 171395280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 101, 116, 120, 124, 144, 145, 155, 174, 180, 186, 202, 232, 240, 248, 261, 279, 290, 303, 310, 348, 360, 372, 404, 435, 464, 465, 496, 505, 522, 558, 580, 606, 620, 696, 720, 744, 808, 870, 899, 909, 930, 1010, 1044, 1116, 1160, 1212, 1240, 1305, 1392, 1395, 1488, 1515, 1616, 1740, 1798, 1818, 1860, 2020, 2088, 2232, 2320, 2424, 2480, 2610, 2697, 2790, 2929, 3030, 3131, 3480, 3596, 3636, 3720, 4040, 4176, 4464, 4495, 4545, 4848, 5220, 5394, 5580, 5858, 6060, 6262, 6960, 7192, 7272, 7440, 8080, 8091, 8787, 8990, 9090, 9393, 10440, 10788, 11160, 11716, 12120, 12524, 13485, 14384, 14544, 14645, 15655, 16182, 17574, 17980, 18180, 18786, 20880, 21576, 22320, 23432, 24240, 25048, 26361, 26970, 28179, 29290, 31310, 32364, 35148, 35960, 36360, 37572, 40455, 43152, 43935, 46864, 46965, 50096, 52722, 53940, 56358, 58580, 62620, 64728, 70296, 71920, 72720, 75144, 80910, 87870, 90799, 93930, 105444, 107880, 112716, 117160, 125240, 129456, 131805, 140592, 140895, 150288, 161820, 175740, 181598, 187860, 210888, 215760, 225432, 234320, 250480, 263610, 272397, 281790, 323640, 351480, 363196, 375720, 421776, 450864, 453995, 527220, 544794, 563580, 647280, 702960, 726392, 751440, 817191, 907990, 1054440, 1089588, 1127160, 1361985, 1452784, 1634382, 1815980, 2108880, 2179176, 2254320, 2723970, 3268764, 3631960, 4085955, 4358352, 5447940, 6537528, 7263920, 8171910, 10895880, 13075056, 16343820, 21791760, 32687640, 65375280]

約数ペア:

[(1, 65375280), (2, 32687640), (3, 21791760), (4, 16343820), (5, 13075056), (6, 10895880), (8, 8171910), (9, 7263920), (10, 6537528), (12, 5447940), (15, 4358352), (16, 4085955), (18, 3631960), (20, 3268764), (24, 2723970), (29, 2254320), (30, 2179176), (31, 2108880), (36, 1815980), (40, 1634382), (45, 1452784), (48, 1361985), (58, 1127160), (60, 1089588), (62, 1054440), (72, 907990), (80, 817191), (87, 751440), (90, 726392), (93, 702960), (101, 647280), (116, 563580), (120, 544794), (124, 527220), (144, 453995), (145, 450864), (155, 421776), (174, 375720), (180, 363196), (186, 351480), (202, 323640), (232, 281790), (240, 272397), (248, 263610), (261, 250480), (279, 234320), (290, 225432), (303, 215760), (310, 210888), (348, 187860), (360, 181598), (372, 175740), (404, 161820), (435, 150288), (464, 140895), (465, 140592), (496, 131805), (505, 129456), (522, 125240), (558, 117160), (580, 112716), (606, 107880), (620, 105444), (696, 93930), (720, 90799), (744, 87870), (808, 80910), (870, 75144), (899, 72720), (909, 71920), (930, 70296), (1010, 64728), (1044, 62620), (1116, 58580), (1160, 56358), (1212, 53940), (1240, 52722), (1305, 50096), (1392, 46965), (1395, 46864), (1488, 43935), (1515, 43152), (1616, 40455), (1740, 37572), (1798, 36360), (1818, 35960), (1860, 35148), (2020, 32364), (2088, 31310), (2232, 29290), (2320, 28179), (2424, 26970), (2480, 26361), (2610, 25048), (2697, 24240), (2790, 23432), (2929, 22320), (3030, 21576), (3131, 20880), (3480, 18786), (3596, 18180), (3636, 17980), (3720, 17574), (4040, 16182), (4176, 15655), (4464, 14645), (4495, 14544), (4545, 14384), (4848, 13485), (5220, 12524), (5394, 12120), (5580, 11716), (5858, 11160), (6060, 10788), (6262, 10440), (6960, 9393), (7192, 9090), (7272, 8990), (7440, 8787), (8080, 8091)]