90356840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 233314560

約数和(自身を除く): 142957720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 1031, 1252, 1565, 2062, 2191, 2504, 3130, 4124, 4382, 5155, 6260, 7217, 8248, 8764, 10310, 10955, 12520, 14434, 17528, 20620, 21910, 28868, 36085, 41240, 43820, 57736, 72170, 87640, 144340, 288680, 322703, 645406, 1290812, 1613515, 2258921, 2581624, 3227030, 4517842, 6454060, 9035684, 11294605, 12908120, 18071368, 22589210, 45178420, 90356840]

約数ペア:

[(1, 90356840), (2, 45178420), (4, 22589210), (5, 18071368), (7, 12908120), (8, 11294605), (10, 9035684), (14, 6454060), (20, 4517842), (28, 3227030), (35, 2581624), (40, 2258921), (56, 1613515), (70, 1290812), (140, 645406), (280, 322703), (313, 288680), (626, 144340), (1031, 87640), (1252, 72170), (1565, 57736), (2062, 43820), (2191, 41240), (2504, 36085), (3130, 28868), (4124, 21910), (4382, 20620), (5155, 17528), (6260, 14434), (7217, 12520), (8248, 10955), (8764, 10310)]