820861080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{526193}}^1$

素因数の和:526220

約数の個数: 64

約数和(自身を含む): 2652017760

約数和(自身を除く): 1831156680

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, 526193, 1052386, 1578579, 2104772, 2630965, 3157158, 4209544, 5261930, 6314316, 6840509, 7892895, 10523860, 12628632, 13681018, 15785790, 20521527, 21047720, 27362036, 31571580, 34202545, 41043054, 54724072, 63143160, 68405090, 82086108, 102607635, 136810180, 164172216, 205215270, 273620360, 410430540, 820861080]

約数ペア:

[(1, 820861080), (2, 410430540), (3, 273620360), (4, 205215270), (5, 164172216), (6, 136810180), (8, 102607635), (10, 82086108), (12, 68405090), (13, 63143160), (15, 54724072), (20, 41043054), (24, 34202545), (26, 31571580), (30, 27362036), (39, 21047720), (40, 20521527), (52, 15785790), (60, 13681018), (65, 12628632), (78, 10523860), (104, 7892895), (120, 6840509), (130, 6314316), (156, 5261930), (195, 4209544), (260, 3157158), (312, 2630965), (390, 2104772), (520, 1578579), (780, 1052386), (1560, 526193)]