31670320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 89190720

約数和(自身を除く): 57520400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 73, 80, 85, 88, 110, 116, 136, 145, 146, 170, 176, 187, 220, 232, 272, 290, 292, 319, 340, 365, 374, 440, 464, 493, 580, 584, 638, 680, 730, 748, 803, 880, 935, 986, 1160, 1168, 1241, 1276, 1360, 1460, 1496, 1595, 1606, 1870, 1972, 2117, 2320, 2465, 2482, 2552, 2920, 2992, 3190, 3212, 3740, 3944, 4015, 4234, 4930, 4964, 5104, 5423, 5840, 6205, 6380, 6424, 7480, 7888, 8030, 8468, 9860, 9928, 10585, 10846, 12410, 12760, 12848, 13651, 14960, 16060, 16936, 19720, 19856, 21170, 21692, 23287, 24820, 25520, 27115, 27302, 32120, 33872, 35989, 39440, 42340, 43384, 46574, 49640, 54230, 54604, 64240, 68255, 71978, 84680, 86768, 93148, 99280, 108460, 109208, 116435, 136510, 143956, 169360, 179945, 186296, 216920, 218416, 232870, 273020, 287912, 359890, 372592, 395879, 433840, 465740, 546040, 575824, 719780, 791758, 931480, 1092080, 1439560, 1583516, 1862960, 1979395, 2879120, 3167032, 3958790, 6334064, 7917580, 15835160, 31670320]

約数ペア:

[(1, 31670320), (2, 15835160), (4, 7917580), (5, 6334064), (8, 3958790), (10, 3167032), (11, 2879120), (16, 1979395), (17, 1862960), (20, 1583516), (22, 1439560), (29, 1092080), (34, 931480), (40, 791758), (44, 719780), (55, 575824), (58, 546040), (68, 465740), (73, 433840), (80, 395879), (85, 372592), (88, 359890), (110, 287912), (116, 273020), (136, 232870), (145, 218416), (146, 216920), (170, 186296), (176, 179945), (187, 169360), (220, 143956), (232, 136510), (272, 116435), (290, 109208), (292, 108460), (319, 99280), (340, 93148), (365, 86768), (374, 84680), (440, 71978), (464, 68255), (493, 64240), (580, 54604), (584, 54230), (638, 49640), (680, 46574), (730, 43384), (748, 42340), (803, 39440), (880, 35989), (935, 33872), (986, 32120), (1160, 27302), (1168, 27115), (1241, 25520), (1276, 24820), (1360, 23287), (1460, 21692), (1496, 21170), (1595, 19856), (1606, 19720), (1870, 16936), (1972, 16060), (2117, 14960), (2320, 13651), (2465, 12848), (2482, 12760), (2552, 12410), (2920, 10846), (2992, 10585), (3190, 9928), (3212, 9860), (3740, 8468), (3944, 8030), (4015, 7888), (4234, 7480), (4930, 6424), (4964, 6380), (5104, 6205), (5423, 5840)]