1298014720

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3701}}^1$

素因数の和:3861

約数の個数: 80

約数和(自身を含む): 3135756888

約数和(自身を除く): 1837742168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 512, 548, 640, 685, 1096, 1280, 1370, 2192, 2560, 2740, 3701, 4384, 5480, 7402, 8768, 10960, 14804, 17536, 18505, 21920, 29608, 35072, 37010, 43840, 59216, 70144, 74020, 87680, 118432, 148040, 175360, 236864, 296080, 350720, 473728, 507037, 592160, 947456, 1014074, 1184320, 1894912, 2028148, 2368640, 2535185, 4056296, 4737280, 5070370, 8112592, 9474560, 10140740, 16225184, 20281480, 32450368, 40562960, 64900736, 81125920, 129801472, 162251840, 259602944, 324503680, 649007360, 1298014720]

約数ペア:

[(1, 1298014720), (2, 649007360), (4, 324503680), (5, 259602944), (8, 162251840), (10, 129801472), (16, 81125920), (20, 64900736), (32, 40562960), (40, 32450368), (64, 20281480), (80, 16225184), (128, 10140740), (137, 9474560), (160, 8112592), (256, 5070370), (274, 4737280), (320, 4056296), (512, 2535185), (548, 2368640), (640, 2028148), (685, 1894912), (1096, 1184320), (1280, 1014074), (1370, 947456), (2192, 592160), (2560, 507037), (2740, 473728), (3701, 350720), (4384, 296080), (5480, 236864), (7402, 175360), (8768, 148040), (10960, 118432), (14804, 87680), (17536, 74020), (18505, 70144), (21920, 59216), (29608, 43840), (35072, 37010)]