287620560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399473}}^1$

素因数の和:399492

約数の個数: 60

約数和(自身を含む): 965928132

約数和(自身を除く): 678307572

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 399473, 798946, 1198419, 1597892, 1997365, 2396838, 3195784, 3595257, 3994730, 4793676, 5992095, 6391568, 7190514, 7989460, 9587352, 11984190, 14381028, 15978920, 17976285, 19174704, 23968380, 28762056, 31957840, 35952570, 47936760, 57524112, 71905140, 95873520, 143810280, 287620560]

約数ペア:

[(1, 287620560), (2, 143810280), (3, 95873520), (4, 71905140), (5, 57524112), (6, 47936760), (8, 35952570), (9, 31957840), (10, 28762056), (12, 23968380), (15, 19174704), (16, 17976285), (18, 15978920), (20, 14381028), (24, 11984190), (30, 9587352), (36, 7989460), (40, 7190514), (45, 6391568), (48, 5992095), (60, 4793676), (72, 3994730), (80, 3595257), (90, 3195784), (120, 2396838), (144, 1997365), (180, 1597892), (240, 1198419), (360, 798946), (720, 399473)]