71264320

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2915

約数の個数: 56

約数和(自身を含む): 171907200

約数和(自身を除く): 100642880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 2819, 3160, 5056, 5638, 6320, 11276, 12640, 14095, 22552, 25280, 28190, 45104, 56380, 90208, 112760, 180416, 222701, 225520, 445402, 451040, 890804, 902080, 1113505, 1781608, 2227010, 3563216, 4454020, 7126432, 8908040, 14252864, 17816080, 35632160, 71264320]

約数ペア:

[(1, 71264320), (2, 35632160), (4, 17816080), (5, 14252864), (8, 8908040), (10, 7126432), (16, 4454020), (20, 3563216), (32, 2227010), (40, 1781608), (64, 1113505), (79, 902080), (80, 890804), (158, 451040), (160, 445402), (316, 225520), (320, 222701), (395, 180416), (632, 112760), (790, 90208), (1264, 56380), (1580, 45104), (2528, 28190), (2819, 25280), (3160, 22552), (5056, 14095), (5638, 12640), (6320, 11276)]