1612884280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81131}}^1$

素因数の和:81220

約数の個数: 64

約数和(自身を含む): 4205882880

約数和(自身を除く): 2592998600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 81131, 162262, 324524, 405655, 567917, 649048, 811310, 1135834, 1622620, 2271668, 2839585, 3245240, 4543336, 5679170, 5760301, 11358340, 11520602, 22716680, 23041204, 28801505, 40322107, 46082408, 57603010, 80644214, 115206020, 161288428, 201610535, 230412040, 322576856, 403221070, 806442140, 1612884280]

約数ペア:

[(1, 1612884280), (2, 806442140), (4, 403221070), (5, 322576856), (7, 230412040), (8, 201610535), (10, 161288428), (14, 115206020), (20, 80644214), (28, 57603010), (35, 46082408), (40, 40322107), (56, 28801505), (70, 23041204), (71, 22716680), (140, 11520602), (142, 11358340), (280, 5760301), (284, 5679170), (355, 4543336), (497, 3245240), (568, 2839585), (710, 2271668), (994, 1622620), (1420, 1135834), (1988, 811310), (2485, 649048), (2840, 567917), (3976, 405655), (4970, 324524), (9940, 162262), (19880, 81131)]