30975880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 45228920

約数列:

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

約数ペア:

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