240082020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7369}}^1$

素因数の和:7565

約数の個数: 72

約数和(自身を含む): 732371640

約数和(自身を除く): 492289620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 7369, 8145, 10860, 14738, 16290, 22107, 29476, 32580, 36845, 44214, 66321, 73690, 88428, 110535, 132642, 147380, 221070, 265284, 331605, 442140, 663210, 1326420, 1333789, 2667578, 4001367, 5335156, 6668945, 8002734, 12004101, 13337890, 16005468, 20006835, 24008202, 26675780, 40013670, 48016404, 60020505, 80027340, 120041010, 240082020]

約数ペア:

[(1, 240082020), (2, 120041010), (3, 80027340), (4, 60020505), (5, 48016404), (6, 40013670), (9, 26675780), (10, 24008202), (12, 20006835), (15, 16005468), (18, 13337890), (20, 12004101), (30, 8002734), (36, 6668945), (45, 5335156), (60, 4001367), (90, 2667578), (180, 1333789), (181, 1326420), (362, 663210), (543, 442140), (724, 331605), (905, 265284), (1086, 221070), (1629, 147380), (1810, 132642), (2172, 110535), (2715, 88428), (3258, 73690), (3620, 66321), (5430, 44214), (6516, 36845), (7369, 32580), (8145, 29476), (10860, 22107), (14738, 16290)]