51321840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{761}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 159873696

約数和(自身を除く): 108551856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 761, 843, 1124, 1405, 1522, 1686, 2248, 2283, 2810, 3044, 3372, 3805, 4215, 4496, 4566, 5620, 6088, 6744, 7610, 8430, 9132, 11240, 11415, 12176, 13488, 15220, 16860, 18264, 22480, 22830, 30440, 33720, 36528, 45660, 60880, 67440, 91320, 182640, 213841, 427682, 641523, 855364, 1069205, 1283046, 1710728, 2138410, 2566092, 3207615, 3421456, 4276820, 5132184, 6415230, 8553640, 10264368, 12830460, 17107280, 25660920, 51321840]

約数ペア:

[(1, 51321840), (2, 25660920), (3, 17107280), (4, 12830460), (5, 10264368), (6, 8553640), (8, 6415230), (10, 5132184), (12, 4276820), (15, 3421456), (16, 3207615), (20, 2566092), (24, 2138410), (30, 1710728), (40, 1283046), (48, 1069205), (60, 855364), (80, 641523), (120, 427682), (240, 213841), (281, 182640), (562, 91320), (761, 67440), (843, 60880), (1124, 45660), (1405, 36528), (1522, 33720), (1686, 30440), (2248, 22830), (2283, 22480), (2810, 18264), (3044, 16860), (3372, 15220), (3805, 13488), (4215, 12176), (4496, 11415), (4566, 11240), (5620, 9132), (6088, 8430), (6744, 7610)]