181930840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 508677120

約数和(自身を除く): 326746280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 151, 182, 260, 280, 302, 331, 364, 455, 520, 604, 662, 728, 755, 910, 1057, 1208, 1324, 1510, 1655, 1820, 1963, 2114, 2317, 2648, 3020, 3310, 3640, 3926, 4228, 4303, 4634, 5285, 6040, 6620, 7852, 8456, 8606, 9268, 9815, 10570, 11585, 13240, 13741, 15704, 17212, 18536, 19630, 21140, 21515, 23170, 27482, 30121, 34424, 39260, 42280, 43030, 46340, 49981, 54964, 60242, 68705, 78520, 86060, 92680, 99962, 109928, 120484, 137410, 150605, 172120, 199924, 240968, 249905, 274820, 301210, 349867, 399848, 499810, 549640, 602420, 649753, 699734, 999620, 1204840, 1299506, 1399468, 1749335, 1999240, 2599012, 2798936, 3248765, 3498670, 4548271, 5198024, 6497530, 6997340, 9096542, 12995060, 13994680, 18193084, 22741355, 25990120, 36386168, 45482710, 90965420, 181930840]

約数ペア:

[(1, 181930840), (2, 90965420), (4, 45482710), (5, 36386168), (7, 25990120), (8, 22741355), (10, 18193084), (13, 13994680), (14, 12995060), (20, 9096542), (26, 6997340), (28, 6497530), (35, 5198024), (40, 4548271), (52, 3498670), (56, 3248765), (65, 2798936), (70, 2599012), (91, 1999240), (104, 1749335), (130, 1399468), (140, 1299506), (151, 1204840), (182, 999620), (260, 699734), (280, 649753), (302, 602420), (331, 549640), (364, 499810), (455, 399848), (520, 349867), (604, 301210), (662, 274820), (728, 249905), (755, 240968), (910, 199924), (1057, 172120), (1208, 150605), (1324, 137410), (1510, 120484), (1655, 109928), (1820, 99962), (1963, 92680), (2114, 86060), (2317, 78520), (2648, 68705), (3020, 60242), (3310, 54964), (3640, 49981), (3926, 46340), (4228, 43030), (4303, 42280), (4634, 39260), (5285, 34424), (6040, 30121), (6620, 27482), (7852, 23170), (8456, 21515), (8606, 21140), (9268, 19630), (9815, 18536), (10570, 17212), (11585, 15704), (13240, 13741)]