645579468

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{5279}}^1$

素因数の和:5411

約数の個数: 72

約数和(自身を含む): 1691289600

約数和(自身を除く): 1045710132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 474, 516, 711, 774, 948, 1422, 1548, 2844, 3397, 5279, 6794, 10191, 10558, 13588, 15837, 20382, 21116, 30573, 31674, 40764, 47511, 61146, 63348, 95022, 122292, 190044, 226997, 417041, 453994, 680991, 834082, 907988, 1251123, 1361982, 1668164, 2042973, 2502246, 2723964, 3753369, 4085946, 5004492, 7506738, 8171892, 15013476, 17932763, 35865526, 53798289, 71731052, 107596578, 161394867, 215193156, 322789734, 645579468]

約数ペア:

[(1, 645579468), (2, 322789734), (3, 215193156), (4, 161394867), (6, 107596578), (9, 71731052), (12, 53798289), (18, 35865526), (36, 17932763), (43, 15013476), (79, 8171892), (86, 7506738), (129, 5004492), (158, 4085946), (172, 3753369), (237, 2723964), (258, 2502246), (316, 2042973), (387, 1668164), (474, 1361982), (516, 1251123), (711, 907988), (774, 834082), (948, 680991), (1422, 453994), (1548, 417041), (2844, 226997), (3397, 190044), (5279, 122292), (6794, 95022), (10191, 63348), (10558, 61146), (13588, 47511), (15837, 40764), (20382, 31674), (21116, 30573)]