205127760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1031}}^1$

素因数の和:1876

約数の個数: 80

約数和(自身を含む): 637280640

約数和(自身を除く): 432152880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 829, 1031, 1658, 2062, 2487, 3093, 3316, 4124, 4145, 4974, 5155, 6186, 6632, 8248, 8290, 9948, 10310, 12372, 12435, 13264, 15465, 16496, 16580, 19896, 20620, 24744, 24870, 30930, 33160, 39792, 41240, 49488, 49740, 61860, 66320, 82480, 99480, 123720, 198960, 247440, 854699, 1709398, 2564097, 3418796, 4273495, 5128194, 6837592, 8546990, 10256388, 12820485, 13675184, 17093980, 20512776, 25640970, 34187960, 41025552, 51281940, 68375920, 102563880, 205127760]

約数ペア:

[(1, 205127760), (2, 102563880), (3, 68375920), (4, 51281940), (5, 41025552), (6, 34187960), (8, 25640970), (10, 20512776), (12, 17093980), (15, 13675184), (16, 12820485), (20, 10256388), (24, 8546990), (30, 6837592), (40, 5128194), (48, 4273495), (60, 3418796), (80, 2564097), (120, 1709398), (240, 854699), (829, 247440), (1031, 198960), (1658, 123720), (2062, 99480), (2487, 82480), (3093, 66320), (3316, 61860), (4124, 49740), (4145, 49488), (4974, 41240), (5155, 39792), (6186, 33160), (6632, 30930), (8248, 24870), (8290, 24744), (9948, 20620), (10310, 19896), (12372, 16580), (12435, 16496), (13264, 15465)]