51654420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{827}}^1$

素因数の和:1189

約数の個数: 72

約数和(自身を含む): 157326624

約数和(自身を除く): 105672204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 827, 1041, 1388, 1654, 1735, 2082, 2481, 3123, 3308, 3470, 4135, 4164, 4962, 5205, 6246, 6940, 7443, 8270, 9924, 10410, 12405, 12492, 14886, 15615, 16540, 20820, 24810, 29772, 31230, 37215, 49620, 62460, 74430, 148860, 286969, 573938, 860907, 1147876, 1434845, 1721814, 2582721, 2869690, 3443628, 4304535, 5165442, 5739380, 8609070, 10330884, 12913605, 17218140, 25827210, 51654420]

約数ペア:

[(1, 51654420), (2, 25827210), (3, 17218140), (4, 12913605), (5, 10330884), (6, 8609070), (9, 5739380), (10, 5165442), (12, 4304535), (15, 3443628), (18, 2869690), (20, 2582721), (30, 1721814), (36, 1434845), (45, 1147876), (60, 860907), (90, 573938), (180, 286969), (347, 148860), (694, 74430), (827, 62460), (1041, 49620), (1388, 37215), (1654, 31230), (1735, 29772), (2082, 24810), (2481, 20820), (3123, 16540), (3308, 15615), (3470, 14886), (4135, 12492), (4164, 12405), (4962, 10410), (5205, 9924), (6246, 8270), (6940, 7443)]