61951760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 95538160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 839, 923, 1040, 1136, 1420, 1678, 1846, 2840, 3356, 3692, 4195, 4615, 5680, 6712, 7384, 8390, 9230, 10907, 13424, 14768, 16780, 18460, 21814, 33560, 36920, 43628, 54535, 59569, 67120, 73840, 87256, 109070, 119138, 174512, 218140, 238276, 297845, 436280, 476552, 595690, 774397, 872560, 953104, 1191380, 1548794, 2382760, 3097588, 3871985, 4765520, 6195176, 7743970, 12390352, 15487940, 30975880, 61951760]

約数ペア:

[(1, 61951760), (2, 30975880), (4, 15487940), (5, 12390352), (8, 7743970), (10, 6195176), (13, 4765520), (16, 3871985), (20, 3097588), (26, 2382760), (40, 1548794), (52, 1191380), (65, 953104), (71, 872560), (80, 774397), (104, 595690), (130, 476552), (142, 436280), (208, 297845), (260, 238276), (284, 218140), (355, 174512), (520, 119138), (568, 109070), (710, 87256), (839, 73840), (923, 67120), (1040, 59569), (1136, 54535), (1420, 43628), (1678, 36920), (1846, 33560), (2840, 21814), (3356, 18460), (3692, 16780), (4195, 14768), (4615, 13424), (5680, 10907), (6712, 9230), (7384, 8390)]