55557540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3907}}^1$

素因数の和:4001

約数の個数: 72

約数和(自身を含む): 170701440

約数和(自身を除く): 115143900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 3907, 4740, 7110, 7814, 11721, 14220, 15628, 19535, 23442, 35163, 39070, 46884, 58605, 70326, 78140, 117210, 140652, 175815, 234420, 308653, 351630, 617306, 703260, 925959, 1234612, 1543265, 1851918, 2777877, 3086530, 3703836, 4629795, 5555754, 6173060, 9259590, 11111508, 13889385, 18519180, 27778770, 55557540]

約数ペア:

[(1, 55557540), (2, 27778770), (3, 18519180), (4, 13889385), (5, 11111508), (6, 9259590), (9, 6173060), (10, 5555754), (12, 4629795), (15, 3703836), (18, 3086530), (20, 2777877), (30, 1851918), (36, 1543265), (45, 1234612), (60, 925959), (79, 703260), (90, 617306), (158, 351630), (180, 308653), (237, 234420), (316, 175815), (395, 140652), (474, 117210), (711, 78140), (790, 70326), (948, 58605), (1185, 46884), (1422, 39070), (1580, 35163), (2370, 23442), (2844, 19535), (3555, 15628), (3907, 14220), (4740, 11721), (7110, 7814)]