720343312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2017}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 1607990832

約数和(自身を除く): 887647520

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 101, 104, 136, 202, 208, 221, 272, 404, 442, 808, 884, 1313, 1616, 1717, 1768, 2017, 2626, 3434, 3536, 4034, 5252, 6868, 8068, 10504, 13736, 16136, 21008, 22321, 26221, 27472, 32272, 34289, 44642, 52442, 68578, 89284, 104884, 137156, 178568, 203717, 209768, 274312, 357136, 407434, 419536, 445757, 548624, 814868, 891514, 1629736, 1783028, 2648321, 3259472, 3463189, 3566056, 5296642, 6926378, 7132112, 10593284, 13852756, 21186568, 27705512, 42373136, 45021457, 55411024, 90042914, 180085828, 360171656, 720343312]

約数ペア:

[(1, 720343312), (2, 360171656), (4, 180085828), (8, 90042914), (13, 55411024), (16, 45021457), (17, 42373136), (26, 27705512), (34, 21186568), (52, 13852756), (68, 10593284), (101, 7132112), (104, 6926378), (136, 5296642), (202, 3566056), (208, 3463189), (221, 3259472), (272, 2648321), (404, 1783028), (442, 1629736), (808, 891514), (884, 814868), (1313, 548624), (1616, 445757), (1717, 419536), (1768, 407434), (2017, 357136), (2626, 274312), (3434, 209768), (3536, 203717), (4034, 178568), (5252, 137156), (6868, 104884), (8068, 89284), (10504, 68578), (13736, 52442), (16136, 44642), (21008, 34289), (22321, 32272), (26221, 27472)]