131335920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2407

約数の個数: 120

約数和(自身を含む): 446846400

約数和(自身を除く): 315510480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2309, 2370, 2844, 3160, 3555, 3792, 4618, 4740, 5688, 6320, 6927, 7110, 9236, 9480, 11376, 11545, 13854, 14220, 18472, 18960, 20781, 23090, 27708, 28440, 34635, 36944, 41562, 46180, 55416, 56880, 69270, 83124, 92360, 103905, 110832, 138540, 166248, 182411, 184720, 207810, 277080, 332496, 364822, 415620, 547233, 554160, 729644, 831240, 912055, 1094466, 1459288, 1641699, 1662480, 1824110, 2188932, 2736165, 2918576, 3283398, 3648220, 4377864, 5472330, 6566796, 7296440, 8208495, 8755728, 10944660, 13133592, 14592880, 16416990, 21889320, 26267184, 32833980, 43778640, 65667960, 131335920]

約数ペア:

[(1, 131335920), (2, 65667960), (3, 43778640), (4, 32833980), (5, 26267184), (6, 21889320), (8, 16416990), (9, 14592880), (10, 13133592), (12, 10944660), (15, 8755728), (16, 8208495), (18, 7296440), (20, 6566796), (24, 5472330), (30, 4377864), (36, 3648220), (40, 3283398), (45, 2918576), (48, 2736165), (60, 2188932), (72, 1824110), (79, 1662480), (80, 1641699), (90, 1459288), (120, 1094466), (144, 912055), (158, 831240), (180, 729644), (237, 554160), (240, 547233), (316, 415620), (360, 364822), (395, 332496), (474, 277080), (632, 207810), (711, 184720), (720, 182411), (790, 166248), (948, 138540), (1185, 110832), (1264, 103905), (1422, 92360), (1580, 83124), (1896, 69270), (2309, 56880), (2370, 55416), (2844, 46180), (3160, 41562), (3555, 36944), (3792, 34635), (4618, 28440), (4740, 27708), (5688, 23090), (6320, 20781), (6927, 18960), (7110, 18472), (9236, 14220), (9480, 13854), (11376, 11545)]