645415380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1486

約数の個数: 144

約数和(自身を含む): 2037619584

約数和(自身を除く): 1392204204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 183, 215, 244, 258, 305, 366, 387, 430, 516, 549, 610, 645, 732, 774, 860, 915, 1098, 1220, 1290, 1367, 1548, 1830, 1935, 2196, 2580, 2623, 2734, 2745, 3660, 3870, 4101, 5246, 5468, 5490, 6835, 7740, 7869, 8202, 10492, 10980, 12303, 13115, 13670, 15738, 16404, 20505, 23607, 24606, 26230, 27340, 31476, 39345, 41010, 47214, 49212, 52460, 58781, 61515, 78690, 82020, 83387, 94428, 117562, 118035, 123030, 157380, 166774, 176343, 235124, 236070, 246060, 250161, 293905, 333548, 352686, 416935, 472140, 500322, 529029, 587810, 705372, 750483, 833870, 881715, 1000644, 1058058, 1175620, 1250805, 1500966, 1667740, 1763430, 2116116, 2501610, 2645145, 3001932, 3526860, 3585641, 3752415, 5003220, 5290290, 7171282, 7504830, 10580580, 10756923, 14342564, 15009660, 17928205, 21513846, 32270769, 35856410, 43027692, 53784615, 64541538, 71712820, 107569230, 129083076, 161353845, 215138460, 322707690, 645415380]

約数ペア:

[(1, 645415380), (2, 322707690), (3, 215138460), (4, 161353845), (5, 129083076), (6, 107569230), (9, 71712820), (10, 64541538), (12, 53784615), (15, 43027692), (18, 35856410), (20, 32270769), (30, 21513846), (36, 17928205), (43, 15009660), (45, 14342564), (60, 10756923), (61, 10580580), (86, 7504830), (90, 7171282), (122, 5290290), (129, 5003220), (172, 3752415), (180, 3585641), (183, 3526860), (215, 3001932), (244, 2645145), (258, 2501610), (305, 2116116), (366, 1763430), (387, 1667740), (430, 1500966), (516, 1250805), (549, 1175620), (610, 1058058), (645, 1000644), (732, 881715), (774, 833870), (860, 750483), (915, 705372), (1098, 587810), (1220, 529029), (1290, 500322), (1367, 472140), (1548, 416935), (1830, 352686), (1935, 333548), (2196, 293905), (2580, 250161), (2623, 246060), (2734, 236070), (2745, 235124), (3660, 176343), (3870, 166774), (4101, 157380), (5246, 123030), (5468, 118035), (5490, 117562), (6835, 94428), (7740, 83387), (7869, 82020), (8202, 78690), (10492, 61515), (10980, 58781), (12303, 52460), (13115, 49212), (13670, 47214), (15738, 41010), (16404, 39345), (20505, 31476), (23607, 27340), (24606, 26230)]