1289231340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{352249}}^1$

素因数の和:352322

約数の個数: 48

約数和(自身を含む): 3669036000

約数和(自身を除く): 2379804660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 352249, 704498, 1056747, 1408996, 1761245, 2113494, 3522490, 4226988, 5283735, 7044980, 10567470, 21134940, 21487189, 42974378, 64461567, 85948756, 107435945, 128923134, 214871890, 257846268, 322307835, 429743780, 644615670, 1289231340]

約数ペア:

[(1, 1289231340), (2, 644615670), (3, 429743780), (4, 322307835), (5, 257846268), (6, 214871890), (10, 128923134), (12, 107435945), (15, 85948756), (20, 64461567), (30, 42974378), (60, 21487189), (61, 21134940), (122, 10567470), (183, 7044980), (244, 5283735), (305, 4226988), (366, 3522490), (610, 2113494), (732, 1761245), (915, 1408996), (1220, 1056747), (1830, 704498), (3660, 352249)]