90105080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{719}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 219542400

約数和(自身を除く): 129437320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 719, 964, 1205, 1438, 1928, 2410, 2876, 3133, 3595, 4820, 5752, 6266, 7190, 9347, 9640, 12532, 14380, 15665, 18694, 25064, 28760, 31330, 37388, 46735, 62660, 74776, 93470, 125320, 173279, 186940, 346558, 373880, 693116, 866395, 1386232, 1732790, 2252627, 3465580, 4505254, 6931160, 9010508, 11263135, 18021016, 22526270, 45052540, 90105080]

約数ペア:

[(1, 90105080), (2, 45052540), (4, 22526270), (5, 18021016), (8, 11263135), (10, 9010508), (13, 6931160), (20, 4505254), (26, 3465580), (40, 2252627), (52, 1732790), (65, 1386232), (104, 866395), (130, 693116), (241, 373880), (260, 346558), (482, 186940), (520, 173279), (719, 125320), (964, 93470), (1205, 74776), (1438, 62660), (1928, 46735), (2410, 37388), (2876, 31330), (3133, 28760), (3595, 25064), (4820, 18694), (5752, 15665), (6266, 14380), (7190, 12532), (9347, 9640)]