71334520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 166430880

約数和(自身を除く): 95096360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 307, 314, 370, 614, 628, 740, 785, 1228, 1256, 1480, 1535, 1570, 2456, 3070, 3140, 5809, 6140, 6280, 11359, 11618, 12280, 22718, 23236, 29045, 45436, 46472, 48199, 56795, 58090, 90872, 96398, 113590, 116180, 192796, 227180, 232360, 240995, 385592, 454360, 481990, 963980, 1783363, 1927960, 3566726, 7133452, 8916815, 14266904, 17833630, 35667260, 71334520]

約数ペア:

[(1, 71334520), (2, 35667260), (4, 17833630), (5, 14266904), (8, 8916815), (10, 7133452), (20, 3566726), (37, 1927960), (40, 1783363), (74, 963980), (148, 481990), (157, 454360), (185, 385592), (296, 240995), (307, 232360), (314, 227180), (370, 192796), (614, 116180), (628, 113590), (740, 96398), (785, 90872), (1228, 58090), (1256, 56795), (1480, 48199), (1535, 46472), (1570, 45436), (2456, 29045), (3070, 23236), (3140, 22718), (5809, 12280), (6140, 11618), (6280, 11359)]