18020100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{8581}}^1$

素因数の和:8605

約数の個数: 72

約数和(自身を含む): 59593408

約数和(自身を除く): 41573308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 8581, 17162, 25743, 34324, 42905, 51486, 60067, 85810, 102972, 120134, 128715, 171620, 180201, 214525, 240268, 257430, 300335, 360402, 429050, 514860, 600670, 643575, 720804, 858100, 901005, 1201340, 1287150, 1501675, 1802010, 2574300, 3003350, 3604020, 4505025, 6006700, 9010050, 18020100]

約数ペア:

[(1, 18020100), (2, 9010050), (3, 6006700), (4, 4505025), (5, 3604020), (6, 3003350), (7, 2574300), (10, 1802010), (12, 1501675), (14, 1287150), (15, 1201340), (20, 901005), (21, 858100), (25, 720804), (28, 643575), (30, 600670), (35, 514860), (42, 429050), (50, 360402), (60, 300335), (70, 257430), (75, 240268), (84, 214525), (100, 180201), (105, 171620), (140, 128715), (150, 120134), (175, 102972), (210, 85810), (300, 60067), (350, 51486), (420, 42905), (525, 34324), (700, 25743), (1050, 17162), (2100, 8581)]