133558280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 308551680

約数和(自身を除く): 174993400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 431, 488, 508, 610, 635, 862, 1016, 1220, 1270, 1724, 2155, 2440, 2540, 3448, 4310, 5080, 7747, 8620, 15494, 17240, 26291, 30988, 38735, 52582, 54737, 61976, 77470, 105164, 109474, 131455, 154940, 210328, 218948, 262910, 273685, 309880, 437896, 525820, 547370, 1051640, 1094740, 2189480, 3338957, 6677914, 13355828, 16694785, 26711656, 33389570, 66779140, 133558280]

約数ペア:

[(1, 133558280), (2, 66779140), (4, 33389570), (5, 26711656), (8, 16694785), (10, 13355828), (20, 6677914), (40, 3338957), (61, 2189480), (122, 1094740), (127, 1051640), (244, 547370), (254, 525820), (305, 437896), (431, 309880), (488, 273685), (508, 262910), (610, 218948), (635, 210328), (862, 154940), (1016, 131455), (1220, 109474), (1270, 105164), (1724, 77470), (2155, 61976), (2440, 54737), (2540, 52582), (3448, 38735), (4310, 30988), (5080, 26291), (7747, 17240), (8620, 15494)]