2912772160

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{128203}}^1$

素因数の和:128291

約数の個数: 56

約数和(自身を含む): 7033784256

約数和(自身を除く): 4121012096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720, 128203, 256406, 512812, 641015, 1025624, 1282030, 2051248, 2564060, 4102496, 5128120, 8204992, 9102413, 10256240, 18204826, 20512480, 36409652, 41024960, 45512065, 72819304, 91024130, 145638608, 182048260, 291277216, 364096520, 582554432, 728193040, 1456386080, 2912772160]

約数ペア:

[(1, 2912772160), (2, 1456386080), (4, 728193040), (5, 582554432), (8, 364096520), (10, 291277216), (16, 182048260), (20, 145638608), (32, 91024130), (40, 72819304), (64, 45512065), (71, 41024960), (80, 36409652), (142, 20512480), (160, 18204826), (284, 10256240), (320, 9102413), (355, 8204992), (568, 5128120), (710, 4102496), (1136, 2564060), (1420, 2051248), (2272, 1282030), (2840, 1025624), (4544, 641015), (5680, 512812), (11360, 256406), (22720, 128203)]