8920860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11437}}^1$

素因数の和:11462

約数の個数: 48

約数和(自身を含む): 26902176

約数和(自身を除く): 17981316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 11437, 22874, 34311, 45748, 57185, 68622, 114370, 137244, 148681, 171555, 228740, 297362, 343110, 446043, 594724, 686220, 743405, 892086, 1486810, 1784172, 2230215, 2973620, 4460430, 8920860]

約数ペア:

[(1, 8920860), (2, 4460430), (3, 2973620), (4, 2230215), (5, 1784172), (6, 1486810), (10, 892086), (12, 743405), (13, 686220), (15, 594724), (20, 446043), (26, 343110), (30, 297362), (39, 228740), (52, 171555), (60, 148681), (65, 137244), (78, 114370), (130, 68622), (156, 57185), (195, 45748), (260, 34311), (390, 22874), (780, 11437)]