1531271440

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{110641}}^1$

素因数の和:110827

約数の個数: 40

約数和(自身を含む): 3580817688

約数和(自身を除く): 2049546248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 110641, 221282, 442564, 553205, 885128, 1106410, 1770256, 2212820, 4425640, 8851280, 19140893, 38281786, 76563572, 95704465, 153127144, 191408930, 306254288, 382817860, 765635720, 1531271440]

約数ペア:

[(1, 1531271440), (2, 765635720), (4, 382817860), (5, 306254288), (8, 191408930), (10, 153127144), (16, 95704465), (20, 76563572), (40, 38281786), (80, 19140893), (173, 8851280), (346, 4425640), (692, 2212820), (865, 1770256), (1384, 1106410), (1730, 885128), (2768, 553205), (3460, 442564), (6920, 221282), (13840, 110641)]