1635420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4642848

約数和(自身を除く): 3007428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 281, 291, 388, 485, 562, 582, 843, 970, 1124, 1164, 1405, 1455, 1686, 1940, 2810, 2910, 3372, 4215, 5620, 5820, 8430, 16860, 27257, 54514, 81771, 109028, 136285, 163542, 272570, 327084, 408855, 545140, 817710, 1635420]

約数ペア:

[(1, 1635420), (2, 817710), (3, 545140), (4, 408855), (5, 327084), (6, 272570), (10, 163542), (12, 136285), (15, 109028), (20, 81771), (30, 54514), (60, 27257), (97, 16860), (194, 8430), (281, 5820), (291, 5620), (388, 4215), (485, 3372), (562, 2910), (582, 2810), (843, 1940), (970, 1686), (1124, 1455), (1164, 1405)]