78687960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50441}}^1$

素因数の和:50468

約数の個数: 64

約数和(自身を含む): 254227680

約数和(自身を除く): 175539720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 50441, 100882, 151323, 201764, 252205, 302646, 403528, 504410, 605292, 655733, 756615, 1008820, 1210584, 1311466, 1513230, 1967199, 2017640, 2622932, 3026460, 3278665, 3934398, 5245864, 6052920, 6557330, 7868796, 9835995, 13114660, 15737592, 19671990, 26229320, 39343980, 78687960]

約数ペア:

[(1, 78687960), (2, 39343980), (3, 26229320), (4, 19671990), (5, 15737592), (6, 13114660), (8, 9835995), (10, 7868796), (12, 6557330), (13, 6052920), (15, 5245864), (20, 3934398), (24, 3278665), (26, 3026460), (30, 2622932), (39, 2017640), (40, 1967199), (52, 1513230), (60, 1311466), (65, 1210584), (78, 1008820), (104, 756615), (120, 655733), (130, 605292), (156, 504410), (195, 403528), (260, 302646), (312, 252205), (390, 201764), (520, 151323), (780, 100882), (1560, 50441)]