90285780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115751}}^1$

素因数の和:115776

約数の個数: 48

約数和(自身を含む): 272248704

約数和(自身を除く): 181962924

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, 115751, 231502, 347253, 463004, 578755, 694506, 1157510, 1389012, 1504763, 1736265, 2315020, 3009526, 3472530, 4514289, 6019052, 6945060, 7523815, 9028578, 15047630, 18057156, 22571445, 30095260, 45142890, 90285780]

約数ペア:

[(1, 90285780), (2, 45142890), (3, 30095260), (4, 22571445), (5, 18057156), (6, 15047630), (10, 9028578), (12, 7523815), (13, 6945060), (15, 6019052), (20, 4514289), (26, 3472530), (30, 3009526), (39, 2315020), (52, 1736265), (60, 1504763), (65, 1389012), (78, 1157510), (130, 694506), (156, 578755), (195, 463004), (260, 347253), (390, 231502), (780, 115751)]