1379300480

素因数分解:

$2^7\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3331}}^1$

素因数の和:3997

約数の個数: 64

約数和(自身を含む): 3303478080

約数和(自身を除く): 1924177600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 647, 1294, 2588, 3235, 3331, 5176, 6470, 6662, 10352, 12940, 13324, 16655, 20704, 25880, 26648, 33310, 41408, 51760, 53296, 66620, 82816, 103520, 106592, 133240, 207040, 213184, 266480, 414080, 426368, 532960, 1065920, 2131840, 2155157, 4310314, 8620628, 10775785, 17241256, 21551570, 34482512, 43103140, 68965024, 86206280, 137930048, 172412560, 275860096, 344825120, 689650240, 1379300480]

約数ペア:

[(1, 1379300480), (2, 689650240), (4, 344825120), (5, 275860096), (8, 172412560), (10, 137930048), (16, 86206280), (20, 68965024), (32, 43103140), (40, 34482512), (64, 21551570), (80, 17241256), (128, 10775785), (160, 8620628), (320, 4310314), (640, 2155157), (647, 2131840), (1294, 1065920), (2588, 532960), (3235, 426368), (3331, 414080), (5176, 266480), (6470, 213184), (6662, 207040), (10352, 133240), (12940, 106592), (13324, 103520), (16655, 82816), (20704, 66620), (25880, 53296), (26648, 51760), (33310, 41408)]