128765208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2257

約数の個数: 128

約数和(自身を含む): 400619520

約数和(自身を除く): 271854312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 374, 408, 429, 442, 561, 572, 663, 748, 858, 884, 1122, 1144, 1326, 1496, 1716, 1768, 2207, 2244, 2431, 2652, 3432, 4414, 4488, 4862, 5304, 6621, 7293, 8828, 9724, 13242, 14586, 17656, 19448, 24277, 26484, 28691, 29172, 37519, 48554, 52968, 57382, 58344, 72831, 75038, 86073, 97108, 112557, 114764, 145662, 150076, 172146, 194216, 225114, 229528, 291324, 300152, 315601, 344292, 412709, 450228, 487747, 582648, 631202, 688584, 825418, 900456, 946803, 975494, 1238127, 1262404, 1463241, 1650836, 1893606, 1950988, 2476254, 2524808, 2926482, 3301672, 3787212, 3901976, 4952508, 5365217, 5852964, 7574424, 9905016, 10730434, 11705928, 16095651, 21460868, 32191302, 42921736, 64382604, 128765208]

約数ペア:

[(1, 128765208), (2, 64382604), (3, 42921736), (4, 32191302), (6, 21460868), (8, 16095651), (11, 11705928), (12, 10730434), (13, 9905016), (17, 7574424), (22, 5852964), (24, 5365217), (26, 4952508), (33, 3901976), (34, 3787212), (39, 3301672), (44, 2926482), (51, 2524808), (52, 2476254), (66, 1950988), (68, 1893606), (78, 1650836), (88, 1463241), (102, 1262404), (104, 1238127), (132, 975494), (136, 946803), (143, 900456), (156, 825418), (187, 688584), (204, 631202), (221, 582648), (264, 487747), (286, 450228), (312, 412709), (374, 344292), (408, 315601), (429, 300152), (442, 291324), (561, 229528), (572, 225114), (663, 194216), (748, 172146), (858, 150076), (884, 145662), (1122, 114764), (1144, 112557), (1326, 97108), (1496, 86073), (1716, 75038), (1768, 72831), (2207, 58344), (2244, 57382), (2431, 52968), (2652, 48554), (3432, 37519), (4414, 29172), (4488, 28691), (4862, 26484), (5304, 24277), (6621, 19448), (7293, 17656), (8828, 14586), (9724, 13242)]