155550920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1283}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 401224320

約数和(自身を除く): 245673400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 866, 1283, 1732, 2165, 2566, 3031, 3464, 4330, 5132, 6062, 6415, 8660, 8981, 10264, 12124, 12830, 15155, 17320, 17962, 24248, 25660, 30310, 35924, 44905, 51320, 60620, 71848, 89810, 121240, 179620, 359240, 555539, 1111078, 2222156, 2777695, 3888773, 4444312, 5555390, 7777546, 11110780, 15555092, 19443865, 22221560, 31110184, 38887730, 77775460, 155550920]

約数ペア:

[(1, 155550920), (2, 77775460), (4, 38887730), (5, 31110184), (7, 22221560), (8, 19443865), (10, 15555092), (14, 11110780), (20, 7777546), (28, 5555390), (35, 4444312), (40, 3888773), (56, 2777695), (70, 2222156), (140, 1111078), (280, 555539), (433, 359240), (866, 179620), (1283, 121240), (1732, 89810), (2165, 71848), (2566, 60620), (3031, 51320), (3464, 44905), (4330, 35924), (5132, 30310), (6062, 25660), (6415, 24248), (8660, 17962), (8981, 17320), (10264, 15155), (12124, 12830)]