19699120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1262

約数の個数: 80

約数和(自身を含む): 54192960

約数和(自身を除く): 34493840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1213, 1624, 2030, 2320, 2426, 3248, 4060, 4852, 6065, 8120, 8491, 9704, 12130, 16240, 16982, 19408, 24260, 33964, 35177, 42455, 48520, 67928, 70354, 84910, 97040, 135856, 140708, 169820, 175885, 246239, 281416, 339640, 351770, 492478, 562832, 679280, 703540, 984956, 1231195, 1407080, 1969912, 2462390, 2814160, 3939824, 4924780, 9849560, 19699120]

約数ペア:

[(1, 19699120), (2, 9849560), (4, 4924780), (5, 3939824), (7, 2814160), (8, 2462390), (10, 1969912), (14, 1407080), (16, 1231195), (20, 984956), (28, 703540), (29, 679280), (35, 562832), (40, 492478), (56, 351770), (58, 339640), (70, 281416), (80, 246239), (112, 175885), (116, 169820), (140, 140708), (145, 135856), (203, 97040), (232, 84910), (280, 70354), (290, 67928), (406, 48520), (464, 42455), (560, 35177), (580, 33964), (812, 24260), (1015, 19408), (1160, 16982), (1213, 16240), (1624, 12130), (2030, 9704), (2320, 8491), (2426, 8120), (3248, 6065), (4060, 4852)]