89707640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 237945600

約数和(自身を除く): 148237960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 134, 136, 170, 179, 187, 220, 268, 335, 340, 358, 374, 440, 536, 670, 680, 716, 737, 748, 895, 935, 1139, 1340, 1432, 1474, 1496, 1790, 1870, 1969, 2278, 2680, 2948, 3043, 3580, 3685, 3740, 3938, 4556, 5695, 5896, 6086, 7160, 7370, 7480, 7876, 9112, 9845, 11390, 11993, 12172, 12529, 14740, 15215, 15752, 19690, 22780, 23986, 24344, 25058, 29480, 30430, 33473, 39380, 45560, 47972, 50116, 59965, 60860, 62645, 66946, 78760, 95944, 100232, 119930, 121720, 125290, 131923, 133892, 167365, 203881, 239860, 250580, 263846, 267784, 334730, 407762, 479720, 501160, 527692, 659615, 669460, 815524, 1019405, 1055384, 1319230, 1338920, 1631048, 2038810, 2242691, 2638460, 4077620, 4485382, 5276920, 8155240, 8970764, 11213455, 17941528, 22426910, 44853820, 89707640]

約数ペア:

[(1, 89707640), (2, 44853820), (4, 22426910), (5, 17941528), (8, 11213455), (10, 8970764), (11, 8155240), (17, 5276920), (20, 4485382), (22, 4077620), (34, 2638460), (40, 2242691), (44, 2038810), (55, 1631048), (67, 1338920), (68, 1319230), (85, 1055384), (88, 1019405), (110, 815524), (134, 669460), (136, 659615), (170, 527692), (179, 501160), (187, 479720), (220, 407762), (268, 334730), (335, 267784), (340, 263846), (358, 250580), (374, 239860), (440, 203881), (536, 167365), (670, 133892), (680, 131923), (716, 125290), (737, 121720), (748, 119930), (895, 100232), (935, 95944), (1139, 78760), (1340, 66946), (1432, 62645), (1474, 60860), (1496, 59965), (1790, 50116), (1870, 47972), (1969, 45560), (2278, 39380), (2680, 33473), (2948, 30430), (3043, 29480), (3580, 25058), (3685, 24344), (3740, 23986), (3938, 22780), (4556, 19690), (5695, 15752), (5896, 15215), (6086, 14740), (7160, 12529), (7370, 12172), (7480, 11993), (7876, 11390), (9112, 9845)]