1291210480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2305733}}^1$

素因数の和:2305753

約数の個数: 40

約数和(自身を含む): 3430932192

約数和(自身を除く): 2139721712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2305733, 4611466, 9222932, 11528665, 16140131, 18445864, 23057330, 32280262, 36891728, 46114660, 64560524, 80700655, 92229320, 129121048, 161401310, 184458640, 258242096, 322802620, 645605240, 1291210480]

約数ペア:

[(1, 1291210480), (2, 645605240), (4, 322802620), (5, 258242096), (7, 184458640), (8, 161401310), (10, 129121048), (14, 92229320), (16, 80700655), (20, 64560524), (28, 46114660), (35, 36891728), (40, 32280262), (56, 23057330), (70, 18445864), (80, 16140131), (112, 11528665), (140, 9222932), (280, 4611466), (560, 2305733)]