2020459725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13463}}^1$

素因数の和:13531

約数の個数: 72

約数和(自身を含む): 3906714240

約数和(自身を除く): 1886254515

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 225, 261, 345, 435, 575, 667, 725, 1035, 1305, 1725, 2001, 2175, 3335, 5175, 6003, 6525, 10005, 13463, 16675, 30015, 40389, 50025, 67315, 121167, 150075, 201945, 309649, 336575, 390427, 605835, 928947, 1009725, 1171281, 1548245, 1952135, 2786841, 3029175, 3513843, 4644735, 5856405, 7741225, 8979821, 9760675, 13934205, 17569215, 23223675, 26939463, 29282025, 44899105, 69671025, 80818389, 87846075, 134697315, 224495525, 404091945, 673486575, 2020459725]

約数ペア:

[(1, 2020459725), (3, 673486575), (5, 404091945), (9, 224495525), (15, 134697315), (23, 87846075), (25, 80818389), (29, 69671025), (45, 44899105), (69, 29282025), (75, 26939463), (87, 23223675), (115, 17569215), (145, 13934205), (207, 9760675), (225, 8979821), (261, 7741225), (345, 5856405), (435, 4644735), (575, 3513843), (667, 3029175), (725, 2786841), (1035, 1952135), (1305, 1548245), (1725, 1171281), (2001, 1009725), (2175, 928947), (3335, 605835), (5175, 390427), (6003, 336575), (6525, 309649), (10005, 201945), (13463, 150075), (16675, 121167), (30015, 67315), (40389, 50025)]