31872280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4300

約数の個数: 64

約数和(自身を含む): 82853280

約数和(自身を除く): 50981000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 4261, 7480, 8522, 17044, 21305, 34088, 42610, 46871, 72437, 85220, 93742, 144874, 170440, 187484, 234355, 289748, 362185, 374968, 468710, 579496, 724370, 796807, 937420, 1448740, 1593614, 1874840, 2897480, 3187228, 3984035, 6374456, 7968070, 15936140, 31872280]

約数ペア:

[(1, 31872280), (2, 15936140), (4, 7968070), (5, 6374456), (8, 3984035), (10, 3187228), (11, 2897480), (17, 1874840), (20, 1593614), (22, 1448740), (34, 937420), (40, 796807), (44, 724370), (55, 579496), (68, 468710), (85, 374968), (88, 362185), (110, 289748), (136, 234355), (170, 187484), (187, 170440), (220, 144874), (340, 93742), (374, 85220), (440, 72437), (680, 46871), (748, 42610), (935, 34088), (1496, 21305), (1870, 17044), (3740, 8522), (4261, 7480)]