55600020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{4903}}^1$

素因数の和:4931

約数の個数: 120

約数和(自身を含む): 199377024

約数和(自身を除く): 143777004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 4903, 5670, 9806, 11340, 14709, 19612, 24515, 29418, 34321, 44127, 49030, 58836, 68642, 73545, 88254, 98060, 102963, 132381, 137284, 147090, 171605, 176508, 205926, 220635, 264762, 294180, 308889, 343210, 397143, 411852, 441270, 514815, 529524, 617778, 661905, 686420, 794286, 882540, 926667, 1029630, 1235556, 1323810, 1544445, 1588572, 1853334, 1985715, 2059260, 2647620, 2780001, 3088890, 3706668, 3971430, 4633335, 5560002, 6177780, 7942860, 9266670, 11120004, 13900005, 18533340, 27800010, 55600020]

約数ペア:

[(1, 55600020), (2, 27800010), (3, 18533340), (4, 13900005), (5, 11120004), (6, 9266670), (7, 7942860), (9, 6177780), (10, 5560002), (12, 4633335), (14, 3971430), (15, 3706668), (18, 3088890), (20, 2780001), (21, 2647620), (27, 2059260), (28, 1985715), (30, 1853334), (35, 1588572), (36, 1544445), (42, 1323810), (45, 1235556), (54, 1029630), (60, 926667), (63, 882540), (70, 794286), (81, 686420), (84, 661905), (90, 617778), (105, 529524), (108, 514815), (126, 441270), (135, 411852), (140, 397143), (162, 343210), (180, 308889), (189, 294180), (210, 264762), (252, 220635), (270, 205926), (315, 176508), (324, 171605), (378, 147090), (405, 137284), (420, 132381), (540, 102963), (567, 98060), (630, 88254), (756, 73545), (810, 68642), (945, 58836), (1134, 49030), (1260, 44127), (1620, 34321), (1890, 29418), (2268, 24515), (2835, 19612), (3780, 14709), (4903, 11340), (5670, 9806)]