51779340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{829}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 157706640

約数和(自身を除く): 105927300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 829, 1041, 1388, 1658, 1735, 2082, 2487, 3123, 3316, 3470, 4145, 4164, 4974, 5205, 6246, 6940, 7461, 8290, 9948, 10410, 12435, 12492, 14922, 15615, 16580, 20820, 24870, 29844, 31230, 37305, 49740, 62460, 74610, 149220, 287663, 575326, 862989, 1150652, 1438315, 1725978, 2588967, 2876630, 3451956, 4314945, 5177934, 5753260, 8629890, 10355868, 12944835, 17259780, 25889670, 51779340]

約数ペア:

[(1, 51779340), (2, 25889670), (3, 17259780), (4, 12944835), (5, 10355868), (6, 8629890), (9, 5753260), (10, 5177934), (12, 4314945), (15, 3451956), (18, 2876630), (20, 2588967), (30, 1725978), (36, 1438315), (45, 1150652), (60, 862989), (90, 575326), (180, 287663), (347, 149220), (694, 74610), (829, 62460), (1041, 49740), (1388, 37305), (1658, 31230), (1735, 29844), (2082, 24870), (2487, 20820), (3123, 16580), (3316, 15615), (3470, 14922), (4145, 12492), (4164, 12435), (4974, 10410), (5205, 9948), (6246, 8290), (6940, 7461)]