79781680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5374

約数の個数: 80

約数和(自身を含む): 214298784

約数和(自身を除く): 134517104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5333, 7480, 10666, 14960, 21332, 26665, 42664, 53330, 58663, 85328, 90661, 106660, 117326, 181322, 213320, 234652, 293315, 362644, 426640, 453305, 469304, 586630, 725288, 906610, 938608, 997271, 1173260, 1450576, 1813220, 1994542, 2346520, 3626440, 3989084, 4693040, 4986355, 7252880, 7978168, 9972710, 15956336, 19945420, 39890840, 79781680]

約数ペア:

[(1, 79781680), (2, 39890840), (4, 19945420), (5, 15956336), (8, 9972710), (10, 7978168), (11, 7252880), (16, 4986355), (17, 4693040), (20, 3989084), (22, 3626440), (34, 2346520), (40, 1994542), (44, 1813220), (55, 1450576), (68, 1173260), (80, 997271), (85, 938608), (88, 906610), (110, 725288), (136, 586630), (170, 469304), (176, 453305), (187, 426640), (220, 362644), (272, 293315), (340, 234652), (374, 213320), (440, 181322), (680, 117326), (748, 106660), (880, 90661), (935, 85328), (1360, 58663), (1496, 53330), (1870, 42664), (2992, 26665), (3740, 21332), (5333, 14960), (7480, 10666)]