85728280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 227292480

約数和(自身を除く): 141564200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 73, 85, 88, 110, 136, 146, 157, 170, 187, 220, 292, 314, 340, 365, 374, 440, 584, 628, 680, 730, 748, 785, 803, 935, 1241, 1256, 1460, 1496, 1570, 1606, 1727, 1870, 2482, 2669, 2920, 3140, 3212, 3454, 3740, 4015, 4964, 5338, 6205, 6280, 6424, 6908, 7480, 8030, 8635, 9928, 10676, 11461, 12410, 13345, 13651, 13816, 16060, 17270, 21352, 22922, 24820, 26690, 27302, 29359, 32120, 34540, 45844, 49640, 53380, 54604, 57305, 58718, 68255, 69080, 91688, 106760, 109208, 114610, 117436, 126071, 136510, 146795, 194837, 229220, 234872, 252142, 273020, 293590, 389674, 458440, 504284, 546040, 587180, 630355, 779348, 974185, 1008568, 1174360, 1260710, 1558696, 1948370, 2143207, 2521420, 3896740, 4286414, 5042840, 7793480, 8572828, 10716035, 17145656, 21432070, 42864140, 85728280]

約数ペア:

[(1, 85728280), (2, 42864140), (4, 21432070), (5, 17145656), (8, 10716035), (10, 8572828), (11, 7793480), (17, 5042840), (20, 4286414), (22, 3896740), (34, 2521420), (40, 2143207), (44, 1948370), (55, 1558696), (68, 1260710), (73, 1174360), (85, 1008568), (88, 974185), (110, 779348), (136, 630355), (146, 587180), (157, 546040), (170, 504284), (187, 458440), (220, 389674), (292, 293590), (314, 273020), (340, 252142), (365, 234872), (374, 229220), (440, 194837), (584, 146795), (628, 136510), (680, 126071), (730, 117436), (748, 114610), (785, 109208), (803, 106760), (935, 91688), (1241, 69080), (1256, 68255), (1460, 58718), (1496, 57305), (1570, 54604), (1606, 53380), (1727, 49640), (1870, 45844), (2482, 34540), (2669, 32120), (2920, 29359), (3140, 27302), (3212, 26690), (3454, 24820), (3740, 22922), (4015, 21352), (4964, 17270), (5338, 16060), (6205, 13816), (6280, 13651), (6424, 13345), (6908, 12410), (7480, 11461), (8030, 10676), (8635, 9928)]