259406960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 626206944

約数和(自身を除く): 366799984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 584, 688, 730, 860, 1033, 1168, 1460, 1720, 2066, 2920, 3139, 3440, 4132, 5165, 5840, 6278, 8264, 10330, 12556, 15695, 16528, 20660, 25112, 31390, 41320, 44419, 50224, 62780, 75409, 82640, 88838, 125560, 150818, 177676, 222095, 251120, 301636, 355352, 377045, 444190, 603272, 710704, 754090, 888380, 1206544, 1508180, 1776760, 3016360, 3242587, 3553520, 6032720, 6485174, 12970348, 16212935, 25940696, 32425870, 51881392, 64851740, 129703480, 259406960]

約数ペア:

[(1, 259406960), (2, 129703480), (4, 64851740), (5, 51881392), (8, 32425870), (10, 25940696), (16, 16212935), (20, 12970348), (40, 6485174), (43, 6032720), (73, 3553520), (80, 3242587), (86, 3016360), (146, 1776760), (172, 1508180), (215, 1206544), (292, 888380), (344, 754090), (365, 710704), (430, 603272), (584, 444190), (688, 377045), (730, 355352), (860, 301636), (1033, 251120), (1168, 222095), (1460, 177676), (1720, 150818), (2066, 125560), (2920, 88838), (3139, 82640), (3440, 75409), (4132, 62780), (5165, 50224), (5840, 44419), (6278, 41320), (8264, 31390), (10330, 25112), (12556, 20660), (15695, 16528)]