45681280

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 110215080

約数和(自身を除く): 64533800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 521, 548, 640, 685, 1042, 1096, 1370, 2084, 2192, 2605, 2740, 4168, 4384, 5210, 5480, 8336, 8768, 10420, 10960, 16672, 17536, 20840, 21920, 33344, 41680, 43840, 66688, 71377, 83360, 87680, 142754, 166720, 285508, 333440, 356885, 571016, 713770, 1142032, 1427540, 2284064, 2855080, 4568128, 5710160, 9136256, 11420320, 22840640, 45681280]

約数ペア:

[(1, 45681280), (2, 22840640), (4, 11420320), (5, 9136256), (8, 5710160), (10, 4568128), (16, 2855080), (20, 2284064), (32, 1427540), (40, 1142032), (64, 713770), (80, 571016), (128, 356885), (137, 333440), (160, 285508), (274, 166720), (320, 142754), (521, 87680), (548, 83360), (640, 71377), (685, 66688), (1042, 43840), (1096, 41680), (1370, 33344), (2084, 21920), (2192, 20840), (2605, 17536), (2740, 16672), (4168, 10960), (4384, 10420), (5210, 8768), (5480, 8336)]