63821680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 161552160

約数和(自身を除く): 97730480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 563, 872, 1040, 1090, 1126, 1417, 1744, 2180, 2252, 2815, 2834, 4360, 4504, 5630, 5668, 7085, 7319, 8720, 9008, 11260, 11336, 14170, 14638, 22520, 22672, 28340, 29276, 36595, 45040, 56680, 58552, 61367, 73190, 113360, 117104, 122734, 146380, 245468, 292760, 306835, 490936, 585520, 613670, 797771, 981872, 1227340, 1595542, 2454680, 3191084, 3988855, 4909360, 6382168, 7977710, 12764336, 15955420, 31910840, 63821680]

約数ペア:

[(1, 63821680), (2, 31910840), (4, 15955420), (5, 12764336), (8, 7977710), (10, 6382168), (13, 4909360), (16, 3988855), (20, 3191084), (26, 2454680), (40, 1595542), (52, 1227340), (65, 981872), (80, 797771), (104, 613670), (109, 585520), (130, 490936), (208, 306835), (218, 292760), (260, 245468), (436, 146380), (520, 122734), (545, 117104), (563, 113360), (872, 73190), (1040, 61367), (1090, 58552), (1126, 56680), (1417, 45040), (1744, 36595), (2180, 29276), (2252, 28340), (2815, 22672), (2834, 22520), (4360, 14638), (4504, 14170), (5630, 11336), (5668, 11260), (7085, 9008), (7319, 8720)]