73312720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 185144400

約数和(自身を除く): 111831680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 449, 520, 628, 785, 898, 1040, 1256, 1570, 1796, 2041, 2245, 2512, 3140, 3592, 4082, 4490, 5837, 6280, 7184, 8164, 8980, 10205, 11674, 12560, 16328, 17960, 20410, 23348, 29185, 32656, 35920, 40820, 46696, 58370, 70493, 81640, 93392, 116740, 140986, 163280, 233480, 281972, 352465, 466960, 563944, 704930, 916409, 1127888, 1409860, 1832818, 2819720, 3665636, 4582045, 5639440, 7331272, 9164090, 14662544, 18328180, 36656360, 73312720]

約数ペア:

[(1, 73312720), (2, 36656360), (4, 18328180), (5, 14662544), (8, 9164090), (10, 7331272), (13, 5639440), (16, 4582045), (20, 3665636), (26, 2819720), (40, 1832818), (52, 1409860), (65, 1127888), (80, 916409), (104, 704930), (130, 563944), (157, 466960), (208, 352465), (260, 281972), (314, 233480), (449, 163280), (520, 140986), (628, 116740), (785, 93392), (898, 81640), (1040, 70493), (1256, 58370), (1570, 46696), (1796, 40820), (2041, 35920), (2245, 32656), (2512, 29185), (3140, 23348), (3592, 20410), (4082, 17960), (4490, 16328), (5837, 12560), (6280, 11674), (7184, 10205), (8164, 8980)]