138693480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67987}}^1$

素因数の和:68018

約数の個数: 64

約数和(自身を含む): 440562240

約数和(自身を除く): 301868760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 67987, 135974, 203961, 271948, 339935, 407922, 543896, 679870, 815844, 1019805, 1155779, 1359740, 1631688, 2039610, 2311558, 2719480, 3467337, 4079220, 4623116, 5778895, 6934674, 8158440, 9246232, 11557790, 13869348, 17336685, 23115580, 27738696, 34673370, 46231160, 69346740, 138693480]

約数ペア:

[(1, 138693480), (2, 69346740), (3, 46231160), (4, 34673370), (5, 27738696), (6, 23115580), (8, 17336685), (10, 13869348), (12, 11557790), (15, 9246232), (17, 8158440), (20, 6934674), (24, 5778895), (30, 4623116), (34, 4079220), (40, 3467337), (51, 2719480), (60, 2311558), (68, 2039610), (85, 1631688), (102, 1359740), (120, 1155779), (136, 1019805), (170, 815844), (204, 679870), (255, 543896), (340, 407922), (408, 339935), (510, 271948), (680, 203961), (1020, 135974), (2040, 67987)]