180873940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 418733280

約数和(自身を除く): 237859340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 236, 260, 295, 338, 590, 676, 767, 845, 907, 1180, 1534, 1690, 1814, 3068, 3380, 3628, 3835, 4535, 7670, 9070, 9971, 11791, 15340, 18140, 19942, 23582, 39884, 47164, 49855, 53513, 58955, 99710, 107026, 117910, 153283, 199420, 214052, 235820, 267565, 306566, 535130, 613132, 695669, 766415, 1070260, 1391338, 1532830, 2782676, 3065660, 3478345, 6956690, 9043697, 13913380, 18087394, 36174788, 45218485, 90436970, 180873940]

約数ペア:

[(1, 180873940), (2, 90436970), (4, 45218485), (5, 36174788), (10, 18087394), (13, 13913380), (20, 9043697), (26, 6956690), (52, 3478345), (59, 3065660), (65, 2782676), (118, 1532830), (130, 1391338), (169, 1070260), (236, 766415), (260, 695669), (295, 613132), (338, 535130), (590, 306566), (676, 267565), (767, 235820), (845, 214052), (907, 199420), (1180, 153283), (1534, 117910), (1690, 107026), (1814, 99710), (3068, 58955), (3380, 53513), (3628, 49855), (3835, 47164), (4535, 39884), (7670, 23582), (9070, 19942), (9971, 18140), (11791, 15340)]