71845280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2698

約数の個数: 72

約数和(自身を含む): 183864492

約数和(自身を除く): 112019212

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2657, 2704, 3380, 5314, 5408, 6760, 10628, 13285, 13520, 21256, 26570, 27040, 34541, 42512, 53140, 69082, 85024, 106280, 138164, 172705, 212560, 276328, 345410, 425120, 449033, 552656, 690820, 898066, 1105312, 1381640, 1796132, 2245165, 2763280, 3592264, 4490330, 5526560, 7184528, 8980660, 14369056, 17961320, 35922640, 71845280]

約数ペア:

[(1, 71845280), (2, 35922640), (4, 17961320), (5, 14369056), (8, 8980660), (10, 7184528), (13, 5526560), (16, 4490330), (20, 3592264), (26, 2763280), (32, 2245165), (40, 1796132), (52, 1381640), (65, 1105312), (80, 898066), (104, 690820), (130, 552656), (160, 449033), (169, 425120), (208, 345410), (260, 276328), (338, 212560), (416, 172705), (520, 138164), (676, 106280), (845, 85024), (1040, 69082), (1352, 53140), (1690, 42512), (2080, 34541), (2657, 27040), (2704, 26570), (3380, 21256), (5314, 13520), (5408, 13285), (6760, 10628)]