123664380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{294439}}^1$

素因数の和:294458

約数の個数: 48

約数和(自身を含む): 395727360

約数和(自身を除く): 272062980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 294439, 588878, 883317, 1177756, 1472195, 1766634, 2061073, 2944390, 3533268, 4122146, 4416585, 5888780, 6183219, 8244292, 8833170, 10305365, 12366438, 17666340, 20610730, 24732876, 30916095, 41221460, 61832190, 123664380]

約数ペア:

[(1, 123664380), (2, 61832190), (3, 41221460), (4, 30916095), (5, 24732876), (6, 20610730), (7, 17666340), (10, 12366438), (12, 10305365), (14, 8833170), (15, 8244292), (20, 6183219), (21, 5888780), (28, 4416585), (30, 4122146), (35, 3533268), (42, 2944390), (60, 2061073), (70, 1766634), (84, 1472195), (105, 1177756), (140, 883317), (210, 588878), (420, 294439)]