215190756

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^3\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 120

約数和(自身を含む): 620004000

約数和(自身を除く): 404813244

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 484, 499, 594, 726, 891, 998, 1089, 1188, 1331, 1452, 1497, 1782, 1996, 2178, 2662, 2994, 3267, 3564, 3993, 4356, 4491, 5324, 5489, 5988, 6534, 7986, 8982, 9801, 10978, 11979, 13068, 13473, 15972, 16467, 17964, 19602, 21956, 23958, 26946, 32934, 35937, 39204, 40419, 47916, 49401, 53892, 60379, 65868, 71874, 80838, 98802, 107811, 120758, 143748, 148203, 161676, 181137, 197604, 215622, 241516, 296406, 362274, 431244, 444609, 543411, 592812, 664169, 724548, 889218, 1086822, 1328338, 1630233, 1778436, 1992507, 2173644, 2656676, 3260466, 3985014, 4890699, 5977521, 6520932, 7970028, 9781398, 11955042, 17932563, 19562796, 23910084, 35865126, 53797689, 71730252, 107595378, 215190756]

約数ペア:

[(1, 215190756), (2, 107595378), (3, 71730252), (4, 53797689), (6, 35865126), (9, 23910084), (11, 19562796), (12, 17932563), (18, 11955042), (22, 9781398), (27, 7970028), (33, 6520932), (36, 5977521), (44, 4890699), (54, 3985014), (66, 3260466), (81, 2656676), (99, 2173644), (108, 1992507), (121, 1778436), (132, 1630233), (162, 1328338), (198, 1086822), (242, 889218), (297, 724548), (324, 664169), (363, 592812), (396, 543411), (484, 444609), (499, 431244), (594, 362274), (726, 296406), (891, 241516), (998, 215622), (1089, 197604), (1188, 181137), (1331, 161676), (1452, 148203), (1497, 143748), (1782, 120758), (1996, 107811), (2178, 98802), (2662, 80838), (2994, 71874), (3267, 65868), (3564, 60379), (3993, 53892), (4356, 49401), (4491, 47916), (5324, 40419), (5489, 39204), (5988, 35937), (6534, 32934), (7986, 26946), (8982, 23958), (9801, 21956), (10978, 19602), (11979, 17964), (13068, 16467), (13473, 15972)]