1290750760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{11131}}^1$

素因数の和:11378

約数の個数: 64

約数和(自身を含む): 3141895680

約数和(自身を除く): 1851144920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 2230, 2899, 4460, 5798, 8920, 11131, 11596, 14495, 22262, 23192, 28990, 44524, 55655, 57980, 89048, 111310, 115960, 144703, 222620, 289406, 445240, 578812, 723515, 1157624, 1447030, 2482213, 2894060, 4964426, 5788120, 9928852, 12411065, 19857704, 24822130, 32268769, 49644260, 64537538, 99288520, 129075076, 161343845, 258150152, 322687690, 645375380, 1290750760]

約数ペア:

[(1, 1290750760), (2, 645375380), (4, 322687690), (5, 258150152), (8, 161343845), (10, 129075076), (13, 99288520), (20, 64537538), (26, 49644260), (40, 32268769), (52, 24822130), (65, 19857704), (104, 12411065), (130, 9928852), (223, 5788120), (260, 4964426), (446, 2894060), (520, 2482213), (892, 1447030), (1115, 1157624), (1784, 723515), (2230, 578812), (2899, 445240), (4460, 289406), (5798, 222620), (8920, 144703), (11131, 115960), (11596, 111310), (14495, 89048), (22262, 57980), (23192, 55655), (28990, 44524)]