180677920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 447552000

約数和(自身を除く): 266874080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 73, 80, 124, 146, 155, 160, 248, 292, 310, 365, 496, 499, 584, 620, 730, 992, 998, 1168, 1240, 1460, 1996, 2263, 2336, 2480, 2495, 2920, 3992, 4526, 4960, 4990, 5840, 7984, 9052, 9980, 11315, 11680, 15469, 15968, 18104, 19960, 22630, 30938, 36208, 36427, 39920, 45260, 61876, 72416, 72854, 77345, 79840, 90520, 123752, 145708, 154690, 181040, 182135, 247504, 291416, 309380, 362080, 364270, 495008, 582832, 618760, 728540, 1129237, 1165664, 1237520, 1457080, 2258474, 2475040, 2914160, 4516948, 5646185, 5828320, 9033896, 11292370, 18067792, 22584740, 36135584, 45169480, 90338960, 180677920]

約数ペア:

[(1, 180677920), (2, 90338960), (4, 45169480), (5, 36135584), (8, 22584740), (10, 18067792), (16, 11292370), (20, 9033896), (31, 5828320), (32, 5646185), (40, 4516948), (62, 2914160), (73, 2475040), (80, 2258474), (124, 1457080), (146, 1237520), (155, 1165664), (160, 1129237), (248, 728540), (292, 618760), (310, 582832), (365, 495008), (496, 364270), (499, 362080), (584, 309380), (620, 291416), (730, 247504), (992, 182135), (998, 181040), (1168, 154690), (1240, 145708), (1460, 123752), (1996, 90520), (2263, 79840), (2336, 77345), (2480, 72854), (2495, 72416), (2920, 61876), (3992, 45260), (4526, 39920), (4960, 36427), (4990, 36208), (5840, 30938), (7984, 22630), (9052, 19960), (9980, 18104), (11315, 15968), (11680, 15469)]