172790520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205703}}^1$

素因数の和:205724

約数の個数: 64

約数和(自身を含む): 592427520

約数和(自身を除く): 419637000

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, 205703, 411406, 617109, 822812, 1028515, 1234218, 1439921, 1645624, 2057030, 2468436, 2879842, 3085545, 4114060, 4319763, 4936872, 5759684, 6171090, 7199605, 8228120, 8639526, 11519368, 12342180, 14399210, 17279052, 21598815, 24684360, 28798420, 34558104, 43197630, 57596840, 86395260, 172790520]

約数ペア:

[(1, 172790520), (2, 86395260), (3, 57596840), (4, 43197630), (5, 34558104), (6, 28798420), (7, 24684360), (8, 21598815), (10, 17279052), (12, 14399210), (14, 12342180), (15, 11519368), (20, 8639526), (21, 8228120), (24, 7199605), (28, 6171090), (30, 5759684), (35, 4936872), (40, 4319763), (42, 4114060), (56, 3085545), (60, 2879842), (70, 2468436), (84, 2057030), (105, 1645624), (120, 1439921), (140, 1234218), (168, 1028515), (210, 822812), (280, 617109), (420, 411406), (840, 205703)]