66878080

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 161935200

約数和(自身を除く): 95057120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1259, 1328, 1660, 2518, 2656, 3320, 5036, 5312, 6295, 6640, 10072, 10624, 12590, 13280, 20144, 25180, 26560, 40288, 50360, 53120, 80576, 100720, 104497, 161152, 201440, 208994, 402880, 417988, 522485, 805760, 835976, 1044970, 1671952, 2089940, 3343904, 4179880, 6687808, 8359760, 13375616, 16719520, 33439040, 66878080]

約数ペア:

[(1, 66878080), (2, 33439040), (4, 16719520), (5, 13375616), (8, 8359760), (10, 6687808), (16, 4179880), (20, 3343904), (32, 2089940), (40, 1671952), (64, 1044970), (80, 835976), (83, 805760), (128, 522485), (160, 417988), (166, 402880), (320, 208994), (332, 201440), (415, 161152), (640, 104497), (664, 100720), (830, 80576), (1259, 53120), (1328, 50360), (1660, 40288), (2518, 26560), (2656, 25180), (3320, 20144), (5036, 13280), (5312, 12590), (6295, 10624), (6640, 10072)]