20151480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{547}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 60762240

約数和(自身を除く): 40610760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 547, 614, 921, 1094, 1228, 1535, 1641, 1842, 2188, 2456, 2735, 3070, 3282, 3684, 4376, 4605, 5470, 6140, 6564, 7368, 8205, 9210, 10940, 12280, 13128, 16410, 18420, 21880, 32820, 36840, 65640, 167929, 335858, 503787, 671716, 839645, 1007574, 1343432, 1679290, 2015148, 2518935, 3358580, 4030296, 5037870, 6717160, 10075740, 20151480]

約数ペア:

[(1, 20151480), (2, 10075740), (3, 6717160), (4, 5037870), (5, 4030296), (6, 3358580), (8, 2518935), (10, 2015148), (12, 1679290), (15, 1343432), (20, 1007574), (24, 839645), (30, 671716), (40, 503787), (60, 335858), (120, 167929), (307, 65640), (547, 36840), (614, 32820), (921, 21880), (1094, 18420), (1228, 16410), (1535, 13128), (1641, 12280), (1842, 10940), (2188, 9210), (2456, 8205), (2735, 7368), (3070, 6564), (3282, 6140), (3684, 5470), (4376, 4605)]