128597400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71443}}^1$

素因数の和:71465

約数の個数: 72

約数和(自身を含む): 431878980

約数和(自身を除く): 303281580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 71443, 142886, 214329, 285772, 357215, 428658, 571544, 642987, 714430, 857316, 1071645, 1285974, 1428860, 1714632, 1786075, 2143290, 2571948, 2857720, 3214935, 3572150, 4286580, 5143896, 5358225, 6429870, 7144300, 8573160, 10716450, 12859740, 14288600, 16074675, 21432900, 25719480, 32149350, 42865800, 64298700, 128597400]

約数ペア:

[(1, 128597400), (2, 64298700), (3, 42865800), (4, 32149350), (5, 25719480), (6, 21432900), (8, 16074675), (9, 14288600), (10, 12859740), (12, 10716450), (15, 8573160), (18, 7144300), (20, 6429870), (24, 5358225), (25, 5143896), (30, 4286580), (36, 3572150), (40, 3214935), (45, 2857720), (50, 2571948), (60, 2143290), (72, 1786075), (75, 1714632), (90, 1428860), (100, 1285974), (120, 1071645), (150, 857316), (180, 714430), (200, 642987), (225, 571544), (300, 428658), (360, 357215), (450, 285772), (600, 214329), (900, 142886), (1800, 71443)]