25719480

素因数分解:

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

素因数の和:71460

約数の個数: 48

約数和(自身を含む): 83589480

約数和(自身を除く): 57870000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 71443, 142886, 214329, 285772, 357215, 428658, 571544, 642987, 714430, 857316, 1071645, 1285974, 1428860, 1714632, 2143290, 2571948, 2857720, 3214935, 4286580, 5143896, 6429870, 8573160, 12859740, 25719480]

約数ペア:

[(1, 25719480), (2, 12859740), (3, 8573160), (4, 6429870), (5, 5143896), (6, 4286580), (8, 3214935), (9, 2857720), (10, 2571948), (12, 2143290), (15, 1714632), (18, 1428860), (20, 1285974), (24, 1071645), (30, 857316), (36, 714430), (40, 642987), (45, 571544), (60, 428658), (72, 357215), (90, 285772), (120, 214329), (180, 142886), (360, 71443)]