511802460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218719}}^1$

素因数の和:218747

約数の個数: 72

約数和(自身を含む): 1671895680

約数和(自身を除く): 1160093220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 218719, 437438, 656157, 874876, 1093595, 1312314, 1968471, 2187190, 2624628, 2843347, 3280785, 3936942, 4374380, 5686694, 6561570, 7873884, 8530041, 9842355, 11373388, 13123140, 14216735, 17060082, 19684710, 25590123, 28433470, 34120164, 39369420, 42650205, 51180246, 56866940, 85300410, 102360492, 127950615, 170600820, 255901230, 511802460]

約数ペア:

[(1, 511802460), (2, 255901230), (3, 170600820), (4, 127950615), (5, 102360492), (6, 85300410), (9, 56866940), (10, 51180246), (12, 42650205), (13, 39369420), (15, 34120164), (18, 28433470), (20, 25590123), (26, 19684710), (30, 17060082), (36, 14216735), (39, 13123140), (45, 11373388), (52, 9842355), (60, 8530041), (65, 7873884), (78, 6561570), (90, 5686694), (117, 4374380), (130, 3936942), (156, 3280785), (180, 2843347), (195, 2624628), (234, 2187190), (260, 1968471), (390, 1312314), (468, 1093595), (585, 874876), (780, 656157), (1170, 437438), (2340, 218719)]