68630520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81703}}^1$

素因数の和:81724

約数の個数: 64

約数和(自身を含む): 235307520

約数和(自身を除く): 166677000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81703, 163406, 245109, 326812, 408515, 490218, 571921, 653624, 817030, 980436, 1143842, 1225545, 1634060, 1715763, 1960872, 2287684, 2451090, 2859605, 3268120, 3431526, 4575368, 4902180, 5719210, 6863052, 8578815, 9804360, 11438420, 13726104, 17157630, 22876840, 34315260, 68630520]

約数ペア:

[(1, 68630520), (2, 34315260), (3, 22876840), (4, 17157630), (5, 13726104), (6, 11438420), (7, 9804360), (8, 8578815), (10, 6863052), (12, 5719210), (14, 4902180), (15, 4575368), (20, 3431526), (21, 3268120), (24, 2859605), (28, 2451090), (30, 2287684), (35, 1960872), (40, 1715763), (42, 1634060), (56, 1225545), (60, 1143842), (70, 980436), (84, 817030), (105, 653624), (120, 571921), (140, 490218), (168, 408515), (210, 326812), (280, 245109), (420, 163406), (840, 81703)]