31587640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3049}}^1$

素因数の和:3104

約数の個数: 64

約数和(自身を含む): 83448000

約数和(自身を除く): 51860360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 3049, 5180, 6098, 10360, 12196, 15245, 21343, 24392, 30490, 42686, 60980, 85372, 106715, 112813, 121960, 170744, 213430, 225626, 426860, 451252, 564065, 789691, 853720, 902504, 1128130, 1579382, 2256260, 3158764, 3948455, 4512520, 6317528, 7896910, 15793820, 31587640]

約数ペア:

[(1, 31587640), (2, 15793820), (4, 7896910), (5, 6317528), (7, 4512520), (8, 3948455), (10, 3158764), (14, 2256260), (20, 1579382), (28, 1128130), (35, 902504), (37, 853720), (40, 789691), (56, 564065), (70, 451252), (74, 426860), (140, 225626), (148, 213430), (185, 170744), (259, 121960), (280, 112813), (296, 106715), (370, 85372), (518, 60980), (740, 42686), (1036, 30490), (1295, 24392), (1480, 21343), (2072, 15245), (2590, 12196), (3049, 10360), (5180, 6098)]