345687680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41549}}^1$

素因数の和:41581

約数の個数: 64

約数和(自身を含む): 890001000

約数和(自身を除く): 544313320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 41549, 83098, 166196, 207745, 332392, 415490, 540137, 664784, 830980, 1080274, 1329568, 1661960, 2160548, 2659136, 2700685, 3323920, 4321096, 5318272, 5401370, 6647840, 8642192, 10802740, 13295680, 17284384, 21605480, 26591360, 34568768, 43210960, 69137536, 86421920, 172843840, 345687680]

約数ペア:

[(1, 345687680), (2, 172843840), (4, 86421920), (5, 69137536), (8, 43210960), (10, 34568768), (13, 26591360), (16, 21605480), (20, 17284384), (26, 13295680), (32, 10802740), (40, 8642192), (52, 6647840), (64, 5401370), (65, 5318272), (80, 4321096), (104, 3323920), (128, 2700685), (130, 2659136), (160, 2160548), (208, 1661960), (260, 1329568), (320, 1080274), (416, 830980), (520, 664784), (640, 540137), (832, 415490), (1040, 332392), (1664, 207745), (2080, 166196), (4160, 83098), (8320, 41549)]