921670640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61609}}^1$

素因数の和:61650

約数の個数: 80

約数和(自身を含む): 2475243360

約数和(自身を除く): 1553572720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 61609, 123218, 246436, 308045, 492872, 616090, 677699, 985744, 1047353, 1232180, 1355398, 2094706, 2464360, 2710796, 3388495, 4189412, 4928720, 5236765, 5421592, 6776990, 8378824, 10473530, 10843184, 11520883, 13553980, 16757648, 20947060, 23041766, 27107960, 41894120, 46083532, 54215920, 57604415, 83788240, 92167064, 115208830, 184334128, 230417660, 460835320, 921670640]

約数ペア:

[(1, 921670640), (2, 460835320), (4, 230417660), (5, 184334128), (8, 115208830), (10, 92167064), (11, 83788240), (16, 57604415), (17, 54215920), (20, 46083532), (22, 41894120), (34, 27107960), (40, 23041766), (44, 20947060), (55, 16757648), (68, 13553980), (80, 11520883), (85, 10843184), (88, 10473530), (110, 8378824), (136, 6776990), (170, 5421592), (176, 5236765), (187, 4928720), (220, 4189412), (272, 3388495), (340, 2710796), (374, 2464360), (440, 2094706), (680, 1355398), (748, 1232180), (880, 1047353), (935, 985744), (1360, 677699), (1496, 616090), (1870, 492872), (2992, 308045), (3740, 246436), (7480, 123218), (14960, 61609)]