72001120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 182564928

約数和(自身を除く): 110563808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 103, 136, 160, 170, 206, 257, 272, 340, 412, 514, 515, 544, 680, 824, 1028, 1030, 1285, 1360, 1648, 1751, 2056, 2060, 2570, 2720, 3296, 3502, 4112, 4120, 4369, 5140, 7004, 8224, 8240, 8738, 8755, 10280, 14008, 16480, 17476, 17510, 20560, 21845, 26471, 28016, 34952, 35020, 41120, 43690, 52942, 56032, 69904, 70040, 87380, 105884, 132355, 139808, 140080, 174760, 211768, 264710, 280160, 349520, 423536, 450007, 529420, 699040, 847072, 900014, 1058840, 1800028, 2117680, 2250035, 3600056, 4235360, 4500070, 7200112, 9000140, 14400224, 18000280, 36000560, 72001120]

約数ペア:

[(1, 72001120), (2, 36000560), (4, 18000280), (5, 14400224), (8, 9000140), (10, 7200112), (16, 4500070), (17, 4235360), (20, 3600056), (32, 2250035), (34, 2117680), (40, 1800028), (68, 1058840), (80, 900014), (85, 847072), (103, 699040), (136, 529420), (160, 450007), (170, 423536), (206, 349520), (257, 280160), (272, 264710), (340, 211768), (412, 174760), (514, 140080), (515, 139808), (544, 132355), (680, 105884), (824, 87380), (1028, 70040), (1030, 69904), (1285, 56032), (1360, 52942), (1648, 43690), (1751, 41120), (2056, 35020), (2060, 34952), (2570, 28016), (2720, 26471), (3296, 21845), (3502, 20560), (4112, 17510), (4120, 17476), (4369, 16480), (5140, 14008), (7004, 10280), (8224, 8755), (8240, 8738)]