71846840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4512

約数の個数: 64

約数和(自身を含む): 179746560

約数和(自身を除く): 107899720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4457, 8060, 8914, 16120, 17828, 22285, 35656, 44570, 57941, 89140, 115882, 138167, 178280, 231764, 276334, 289705, 463528, 552668, 579410, 690835, 1105336, 1158820, 1381670, 1796171, 2317640, 2763340, 3592342, 5526680, 7184684, 8980855, 14369368, 17961710, 35923420, 71846840]

約数ペア:

[(1, 71846840), (2, 35923420), (4, 17961710), (5, 14369368), (8, 8980855), (10, 7184684), (13, 5526680), (20, 3592342), (26, 2763340), (31, 2317640), (40, 1796171), (52, 1381670), (62, 1158820), (65, 1105336), (104, 690835), (124, 579410), (130, 552668), (155, 463528), (248, 289705), (260, 276334), (310, 231764), (403, 178280), (520, 138167), (620, 115882), (806, 89140), (1240, 57941), (1612, 44570), (2015, 35656), (3224, 22285), (4030, 17828), (4457, 16120), (8060, 8914)]