271985940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 863815680

約数和(自身を除く): 591829740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 186, 237, 279, 310, 316, 372, 395, 465, 474, 558, 617, 620, 711, 790, 930, 948, 1116, 1185, 1234, 1395, 1422, 1580, 1851, 1860, 2370, 2449, 2468, 2790, 2844, 3085, 3555, 3702, 4740, 4898, 5553, 5580, 6170, 7110, 7347, 7404, 9255, 9796, 11106, 12245, 12340, 14220, 14694, 18510, 19127, 22041, 22212, 24490, 27765, 29388, 36735, 37020, 38254, 44082, 48743, 48980, 55530, 57381, 73470, 76508, 88164, 95635, 97486, 110205, 111060, 114762, 146229, 146940, 172143, 191270, 194972, 220410, 229524, 243715, 286905, 292458, 344286, 382540, 438687, 440820, 487430, 573810, 584916, 688572, 731145, 860715, 877374, 974860, 1147620, 1462290, 1511033, 1721430, 1754748, 2193435, 2924580, 3022066, 3442860, 4386870, 4533099, 6044132, 7555165, 8773740, 9066198, 13599297, 15110330, 18132396, 22665495, 27198594, 30220660, 45330990, 54397188, 67996485, 90661980, 135992970, 271985940]

約数ペア:

[(1, 271985940), (2, 135992970), (3, 90661980), (4, 67996485), (5, 54397188), (6, 45330990), (9, 30220660), (10, 27198594), (12, 22665495), (15, 18132396), (18, 15110330), (20, 13599297), (30, 9066198), (31, 8773740), (36, 7555165), (45, 6044132), (60, 4533099), (62, 4386870), (79, 3442860), (90, 3022066), (93, 2924580), (124, 2193435), (155, 1754748), (158, 1721430), (180, 1511033), (186, 1462290), (237, 1147620), (279, 974860), (310, 877374), (316, 860715), (372, 731145), (395, 688572), (465, 584916), (474, 573810), (558, 487430), (617, 440820), (620, 438687), (711, 382540), (790, 344286), (930, 292458), (948, 286905), (1116, 243715), (1185, 229524), (1234, 220410), (1395, 194972), (1422, 191270), (1580, 172143), (1851, 146940), (1860, 146229), (2370, 114762), (2449, 111060), (2468, 110205), (2790, 97486), (2844, 95635), (3085, 88164), (3555, 76508), (3702, 73470), (4740, 57381), (4898, 55530), (5553, 48980), (5580, 48743), (6170, 44082), (7110, 38254), (7347, 37020), (7404, 36735), (9255, 29388), (9796, 27765), (11106, 24490), (12245, 22212), (12340, 22041), (14220, 19127), (14694, 18510)]