123765040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7621}}^1$

素因数の和:7670

約数の個数: 80

約数和(自身を含む): 340246080

約数和(自身を除く): 216481040

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, 1624, 2030, 2320, 3248, 4060, 7621, 8120, 15242, 16240, 30484, 38105, 53347, 60968, 76210, 106694, 121936, 152420, 213388, 221009, 266735, 304840, 426776, 442018, 533470, 609680, 853552, 884036, 1066940, 1105045, 1547063, 1768072, 2133880, 2210090, 3094126, 3536144, 4267760, 4420180, 6188252, 7735315, 8840360, 12376504, 15470630, 17680720, 24753008, 30941260, 61882520, 123765040]

約数ペア:

[(1, 123765040), (2, 61882520), (4, 30941260), (5, 24753008), (7, 17680720), (8, 15470630), (10, 12376504), (14, 8840360), (16, 7735315), (20, 6188252), (28, 4420180), (29, 4267760), (35, 3536144), (40, 3094126), (56, 2210090), (58, 2133880), (70, 1768072), (80, 1547063), (112, 1105045), (116, 1066940), (140, 884036), (145, 853552), (203, 609680), (232, 533470), (280, 442018), (290, 426776), (406, 304840), (464, 266735), (560, 221009), (580, 213388), (812, 152420), (1015, 121936), (1160, 106694), (1624, 76210), (2030, 60968), (2320, 53347), (3248, 38105), (4060, 30484), (7621, 16240), (8120, 15242)]