31817640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 69788760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 41, 58, 60, 82, 87, 116, 120, 123, 145, 164, 174, 205, 223, 232, 246, 290, 328, 348, 410, 435, 446, 492, 580, 615, 669, 696, 820, 870, 892, 984, 1115, 1160, 1189, 1230, 1338, 1640, 1740, 1784, 2230, 2378, 2460, 2676, 3345, 3480, 3567, 4460, 4756, 4920, 5352, 5945, 6467, 6690, 7134, 8920, 9143, 9512, 11890, 12934, 13380, 14268, 17835, 18286, 19401, 23780, 25868, 26760, 27429, 28536, 32335, 35670, 36572, 38802, 45715, 47560, 51736, 54858, 64670, 71340, 73144, 77604, 91430, 97005, 109716, 129340, 137145, 142680, 155208, 182860, 194010, 219432, 258680, 265147, 274290, 365720, 388020, 530294, 548580, 776040, 795441, 1060588, 1097160, 1325735, 1590882, 2121176, 2651470, 3181764, 3977205, 5302940, 6363528, 7954410, 10605880, 15908820, 31817640]

約数ペア:

[(1, 31817640), (2, 15908820), (3, 10605880), (4, 7954410), (5, 6363528), (6, 5302940), (8, 3977205), (10, 3181764), (12, 2651470), (15, 2121176), (20, 1590882), (24, 1325735), (29, 1097160), (30, 1060588), (40, 795441), (41, 776040), (58, 548580), (60, 530294), (82, 388020), (87, 365720), (116, 274290), (120, 265147), (123, 258680), (145, 219432), (164, 194010), (174, 182860), (205, 155208), (223, 142680), (232, 137145), (246, 129340), (290, 109716), (328, 97005), (348, 91430), (410, 77604), (435, 73144), (446, 71340), (492, 64670), (580, 54858), (615, 51736), (669, 47560), (696, 45715), (820, 38802), (870, 36572), (892, 35670), (984, 32335), (1115, 28536), (1160, 27429), (1189, 26760), (1230, 25868), (1338, 23780), (1640, 19401), (1740, 18286), (1784, 17835), (2230, 14268), (2378, 13380), (2460, 12934), (2676, 11890), (3345, 9512), (3480, 9143), (3567, 8920), (4460, 7134), (4756, 6690), (4920, 6467), (5352, 5945)]