90306160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 241984512

約数和(自身を除く): 151678352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1231, 1310, 1834, 2096, 2462, 2620, 3668, 4585, 4924, 5240, 6155, 7336, 8617, 9170, 9848, 10480, 12310, 14672, 17234, 18340, 19696, 24620, 34468, 36680, 43085, 49240, 68936, 73360, 86170, 98480, 137872, 161261, 172340, 322522, 344680, 645044, 689360, 806305, 1128827, 1290088, 1612610, 2257654, 2580176, 3225220, 4515308, 5644135, 6450440, 9030616, 11288270, 12900880, 18061232, 22576540, 45153080, 90306160]

約数ペア:

[(1, 90306160), (2, 45153080), (4, 22576540), (5, 18061232), (7, 12900880), (8, 11288270), (10, 9030616), (14, 6450440), (16, 5644135), (20, 4515308), (28, 3225220), (35, 2580176), (40, 2257654), (56, 1612610), (70, 1290088), (80, 1128827), (112, 806305), (131, 689360), (140, 645044), (262, 344680), (280, 322522), (524, 172340), (560, 161261), (655, 137872), (917, 98480), (1048, 86170), (1231, 73360), (1310, 68936), (1834, 49240), (2096, 43085), (2462, 36680), (2620, 34468), (3668, 24620), (4585, 19696), (4924, 18340), (5240, 17234), (6155, 14672), (7336, 12310), (8617, 10480), (9170, 9848)]