27918840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1181}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 84252960

約数和(自身を除く): 56334120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1181, 1182, 1576, 1970, 2362, 2364, 2955, 3543, 3940, 4724, 4728, 5905, 5910, 7086, 7880, 9448, 11810, 11820, 14172, 17715, 23620, 23640, 28344, 35430, 47240, 70860, 141720, 232657, 465314, 697971, 930628, 1163285, 1395942, 1861256, 2326570, 2791884, 3489855, 4653140, 5583768, 6979710, 9306280, 13959420, 27918840]

約数ペア:

[(1, 27918840), (2, 13959420), (3, 9306280), (4, 6979710), (5, 5583768), (6, 4653140), (8, 3489855), (10, 2791884), (12, 2326570), (15, 1861256), (20, 1395942), (24, 1163285), (30, 930628), (40, 697971), (60, 465314), (120, 232657), (197, 141720), (394, 70860), (591, 47240), (788, 35430), (985, 28344), (1181, 23640), (1182, 23620), (1576, 17715), (1970, 14172), (2362, 11820), (2364, 11810), (2955, 9448), (3543, 7880), (3940, 7086), (4724, 5910), (4728, 5905)]