405461340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4001}}^1$

素因数の和:4579

約数の個数: 72

約数和(自身を含む): 1232391888

約数和(自身を除く): 826930548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 563, 1126, 1689, 2252, 2815, 3378, 4001, 5067, 5630, 6756, 8002, 8445, 10134, 11260, 12003, 16004, 16890, 20005, 20268, 24006, 25335, 33780, 36009, 40010, 48012, 50670, 60015, 72018, 80020, 101340, 120030, 144036, 180045, 240060, 360090, 720180, 2252563, 4505126, 6757689, 9010252, 11262815, 13515378, 20273067, 22525630, 27030756, 33788445, 40546134, 45051260, 67576890, 81092268, 101365335, 135153780, 202730670, 405461340]

約数ペア:

[(1, 405461340), (2, 202730670), (3, 135153780), (4, 101365335), (5, 81092268), (6, 67576890), (9, 45051260), (10, 40546134), (12, 33788445), (15, 27030756), (18, 22525630), (20, 20273067), (30, 13515378), (36, 11262815), (45, 9010252), (60, 6757689), (90, 4505126), (180, 2252563), (563, 720180), (1126, 360090), (1689, 240060), (2252, 180045), (2815, 144036), (3378, 120030), (4001, 101340), (5067, 80020), (5630, 72018), (6756, 60015), (8002, 50670), (8445, 48012), (10134, 40010), (11260, 36009), (12003, 33780), (16004, 25335), (16890, 24006), (20005, 20268)]