15158480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 35656200

約数和(自身を除く): 20497720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2129, 3560, 4258, 7120, 8516, 10645, 17032, 21290, 34064, 42580, 85160, 170320, 189481, 378962, 757924, 947405, 1515848, 1894810, 3031696, 3789620, 7579240, 15158480]

約数ペア:

[(1, 15158480), (2, 7579240), (4, 3789620), (5, 3031696), (8, 1894810), (10, 1515848), (16, 947405), (20, 757924), (40, 378962), (80, 189481), (89, 170320), (178, 85160), (356, 42580), (445, 34064), (712, 21290), (890, 17032), (1424, 10645), (1780, 8516), (2129, 7120), (3560, 4258)]