81200560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1850

約数の個数: 80

約数和(自身を含む): 218486016

約数和(自身を除く): 137285456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 1747, 2324, 2905, 3320, 3494, 4648, 5810, 6640, 6988, 8735, 9296, 11620, 12229, 13976, 17470, 23240, 24458, 27952, 34940, 46480, 48916, 61145, 69880, 97832, 122290, 139760, 145001, 195664, 244580, 290002, 489160, 580004, 725005, 978320, 1015007, 1160008, 1450010, 2030014, 2320016, 2900020, 4060028, 5075035, 5800040, 8120056, 10150070, 11600080, 16240112, 20300140, 40600280, 81200560]

約数ペア:

[(1, 81200560), (2, 40600280), (4, 20300140), (5, 16240112), (7, 11600080), (8, 10150070), (10, 8120056), (14, 5800040), (16, 5075035), (20, 4060028), (28, 2900020), (35, 2320016), (40, 2030014), (56, 1450010), (70, 1160008), (80, 1015007), (83, 978320), (112, 725005), (140, 580004), (166, 489160), (280, 290002), (332, 244580), (415, 195664), (560, 145001), (581, 139760), (664, 122290), (830, 97832), (1162, 69880), (1328, 61145), (1660, 48916), (1747, 46480), (2324, 34940), (2905, 27952), (3320, 24458), (3494, 23240), (4648, 17470), (5810, 13976), (6640, 12229), (6988, 11620), (8735, 9296)]