90055980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71473}}^1$

素因数の和:71495

約数の個数: 72

約数和(自身を含む): 312198432

約数和(自身を除く): 222142452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71473, 142946, 214419, 285892, 357365, 428838, 500311, 643257, 714730, 857676, 1000622, 1072095, 1286514, 1429460, 1500933, 2001244, 2144190, 2501555, 2573028, 3001866, 3216285, 4288380, 4502799, 5003110, 6003732, 6432570, 7504665, 9005598, 10006220, 12865140, 15009330, 18011196, 22513995, 30018660, 45027990, 90055980]

約数ペア:

[(1, 90055980), (2, 45027990), (3, 30018660), (4, 22513995), (5, 18011196), (6, 15009330), (7, 12865140), (9, 10006220), (10, 9005598), (12, 7504665), (14, 6432570), (15, 6003732), (18, 5003110), (20, 4502799), (21, 4288380), (28, 3216285), (30, 3001866), (35, 2573028), (36, 2501555), (42, 2144190), (45, 2001244), (60, 1500933), (63, 1429460), (70, 1286514), (84, 1072095), (90, 1000622), (105, 857676), (126, 714730), (140, 643257), (180, 500311), (210, 428838), (252, 357365), (315, 285892), (420, 214419), (630, 142946), (1260, 71473)]