79870140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63389}}^1$

素因数の和:63411

約数の個数: 72

約数和(自身を含む): 276887520

約数和(自身を除く): 197017380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63389, 126778, 190167, 253556, 316945, 380334, 443723, 570501, 633890, 760668, 887446, 950835, 1141002, 1267780, 1331169, 1774892, 1901670, 2218615, 2282004, 2662338, 2852505, 3803340, 3993507, 4437230, 5324676, 5705010, 6655845, 7987014, 8874460, 11410020, 13311690, 15974028, 19967535, 26623380, 39935070, 79870140]

約数ペア:

[(1, 79870140), (2, 39935070), (3, 26623380), (4, 19967535), (5, 15974028), (6, 13311690), (7, 11410020), (9, 8874460), (10, 7987014), (12, 6655845), (14, 5705010), (15, 5324676), (18, 4437230), (20, 3993507), (21, 3803340), (28, 2852505), (30, 2662338), (35, 2282004), (36, 2218615), (42, 1901670), (45, 1774892), (60, 1331169), (63, 1267780), (70, 1141002), (84, 950835), (90, 887446), (105, 760668), (126, 633890), (140, 570501), (180, 443723), (210, 380334), (252, 316945), (315, 253556), (420, 190167), (630, 126778), (1260, 63389)]