25135740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19949}}^1$

素因数の和:19971

約数の個数: 72

約数和(自身を含む): 87141600

約数和(自身を除く): 62005860

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, 19949, 39898, 59847, 79796, 99745, 119694, 139643, 179541, 199490, 239388, 279286, 299235, 359082, 398980, 418929, 558572, 598470, 698215, 718164, 837858, 897705, 1196940, 1256787, 1396430, 1675716, 1795410, 2094645, 2513574, 2792860, 3590820, 4189290, 5027148, 6283935, 8378580, 12567870, 25135740]

約数ペア:

[(1, 25135740), (2, 12567870), (3, 8378580), (4, 6283935), (5, 5027148), (6, 4189290), (7, 3590820), (9, 2792860), (10, 2513574), (12, 2094645), (14, 1795410), (15, 1675716), (18, 1396430), (20, 1256787), (21, 1196940), (28, 897705), (30, 837858), (35, 718164), (36, 698215), (42, 598470), (45, 558572), (60, 418929), (63, 398980), (70, 359082), (84, 299235), (90, 279286), (105, 239388), (126, 199490), (140, 179541), (180, 139643), (210, 119694), (252, 99745), (315, 79796), (420, 59847), (630, 39898), (1260, 19949)]