78160280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4801}}^1$

素因数の和:4860

約数の個数: 64

約数和(自身を含む): 197074080

約数和(自身を除く): 118913800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4801, 8140, 9602, 16280, 19204, 24005, 38408, 48010, 52811, 96020, 105622, 177637, 192040, 211244, 264055, 355274, 422488, 528110, 710548, 888185, 1056220, 1421096, 1776370, 1954007, 2112440, 3552740, 3908014, 7105480, 7816028, 9770035, 15632056, 19540070, 39080140, 78160280]

約数ペア:

[(1, 78160280), (2, 39080140), (4, 19540070), (5, 15632056), (8, 9770035), (10, 7816028), (11, 7105480), (20, 3908014), (22, 3552740), (37, 2112440), (40, 1954007), (44, 1776370), (55, 1421096), (74, 1056220), (88, 888185), (110, 710548), (148, 528110), (185, 422488), (220, 355274), (296, 264055), (370, 211244), (407, 192040), (440, 177637), (740, 105622), (814, 96020), (1480, 52811), (1628, 48010), (2035, 38408), (3256, 24005), (4070, 19204), (4801, 16280), (8140, 9602)]