74779120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5531}}^1$

素因数の和:5570

約数の個数: 60

約数和(自身を含む): 188298216

約数和(自身を除く): 113519096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5531, 6760, 11062, 13520, 22124, 27655, 44248, 55310, 71903, 88496, 110620, 143806, 221240, 287612, 359515, 442480, 575224, 719030, 934739, 1150448, 1438060, 1869478, 2876120, 3738956, 4673695, 5752240, 7477912, 9347390, 14955824, 18694780, 37389560, 74779120]

約数ペア:

[(1, 74779120), (2, 37389560), (4, 18694780), (5, 14955824), (8, 9347390), (10, 7477912), (13, 5752240), (16, 4673695), (20, 3738956), (26, 2876120), (40, 1869478), (52, 1438060), (65, 1150448), (80, 934739), (104, 719030), (130, 575224), (169, 442480), (208, 359515), (260, 287612), (338, 221240), (520, 143806), (676, 110620), (845, 88496), (1040, 71903), (1352, 55310), (1690, 44248), (2704, 27655), (3380, 22124), (5531, 13520), (6760, 11062)]