71618190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1327}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 197351424

約数和(自身を除く): 125733234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 771, 1285, 1327, 1542, 1799, 2570, 2654, 3598, 3855, 3981, 5397, 6635, 7710, 7962, 8995, 9289, 10794, 13270, 17990, 18578, 19905, 26985, 27867, 39810, 46445, 53970, 55734, 92890, 139335, 278670, 341039, 682078, 1023117, 1705195, 2046234, 2387273, 3410390, 4774546, 5115585, 7161819, 10231170, 11936365, 14323638, 23872730, 35809095, 71618190]

約数ペア:

[(1, 71618190), (2, 35809095), (3, 23872730), (5, 14323638), (6, 11936365), (7, 10231170), (10, 7161819), (14, 5115585), (15, 4774546), (21, 3410390), (30, 2387273), (35, 2046234), (42, 1705195), (70, 1023117), (105, 682078), (210, 341039), (257, 278670), (514, 139335), (771, 92890), (1285, 55734), (1327, 53970), (1542, 46445), (1799, 39810), (2570, 27867), (2654, 26985), (3598, 19905), (3855, 18578), (3981, 17990), (5397, 13270), (6635, 10794), (7710, 9289), (7962, 8995)]