15815660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 38235456

約数和(自身を除く): 22419796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 653, 692, 865, 1211, 1306, 1730, 2422, 2612, 3265, 3460, 4571, 4844, 6055, 6530, 9142, 12110, 13060, 18284, 22855, 24220, 45710, 91420, 112969, 225938, 451876, 564845, 790783, 1129690, 1581566, 2259380, 3163132, 3953915, 7907830, 15815660]

約数ペア:

[(1, 15815660), (2, 7907830), (4, 3953915), (5, 3163132), (7, 2259380), (10, 1581566), (14, 1129690), (20, 790783), (28, 564845), (35, 451876), (70, 225938), (140, 112969), (173, 91420), (346, 45710), (653, 24220), (692, 22855), (865, 18284), (1211, 13060), (1306, 12110), (1730, 9142), (2422, 6530), (2612, 6055), (3265, 4844), (3460, 4571)]