80945520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{919}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 251888640

約数和(自身を除く): 170943120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 367, 734, 919, 1101, 1468, 1835, 1838, 2202, 2757, 2936, 3670, 3676, 4404, 4595, 5505, 5514, 5872, 7340, 7352, 8808, 9190, 11010, 11028, 13785, 14680, 14704, 17616, 18380, 22020, 22056, 27570, 29360, 36760, 44040, 44112, 55140, 73520, 88080, 110280, 220560, 337273, 674546, 1011819, 1349092, 1686365, 2023638, 2698184, 3372730, 4047276, 5059095, 5396368, 6745460, 8094552, 10118190, 13490920, 16189104, 20236380, 26981840, 40472760, 80945520]

約数ペア:

[(1, 80945520), (2, 40472760), (3, 26981840), (4, 20236380), (5, 16189104), (6, 13490920), (8, 10118190), (10, 8094552), (12, 6745460), (15, 5396368), (16, 5059095), (20, 4047276), (24, 3372730), (30, 2698184), (40, 2023638), (48, 1686365), (60, 1349092), (80, 1011819), (120, 674546), (240, 337273), (367, 220560), (734, 110280), (919, 88080), (1101, 73520), (1468, 55140), (1835, 44112), (1838, 44040), (2202, 36760), (2757, 29360), (2936, 27570), (3670, 22056), (3676, 22020), (4404, 18380), (4595, 17616), (5505, 14704), (5514, 14680), (5872, 13785), (7340, 11028), (7352, 11010), (8808, 9190)]