2142480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 6785280

約数和(自身を除く): 4642800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 113, 120, 158, 226, 237, 240, 316, 339, 395, 452, 474, 565, 632, 678, 790, 904, 948, 1130, 1185, 1264, 1356, 1580, 1695, 1808, 1896, 2260, 2370, 2712, 3160, 3390, 3792, 4520, 4740, 5424, 6320, 6780, 8927, 9040, 9480, 13560, 17854, 18960, 26781, 27120, 35708, 44635, 53562, 71416, 89270, 107124, 133905, 142832, 178540, 214248, 267810, 357080, 428496, 535620, 714160, 1071240, 2142480]

約数ペア:

[(1, 2142480), (2, 1071240), (3, 714160), (4, 535620), (5, 428496), (6, 357080), (8, 267810), (10, 214248), (12, 178540), (15, 142832), (16, 133905), (20, 107124), (24, 89270), (30, 71416), (40, 53562), (48, 44635), (60, 35708), (79, 27120), (80, 26781), (113, 18960), (120, 17854), (158, 13560), (226, 9480), (237, 9040), (240, 8927), (316, 6780), (339, 6320), (395, 5424), (452, 4740), (474, 4520), (565, 3792), (632, 3390), (678, 3160), (790, 2712), (904, 2370), (948, 2260), (1130, 1896), (1185, 1808), (1264, 1695), (1356, 1580)]