80995560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21773}}^1$

素因数の和:21818

約数の個数: 64

約数和(自身を含む): 250836480

約数和(自身を除く): 169840920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21773, 43546, 65319, 87092, 108865, 130638, 174184, 217730, 261276, 326595, 435460, 522552, 653190, 674963, 870920, 1306380, 1349926, 2024889, 2612760, 2699852, 3374815, 4049778, 5399704, 6749630, 8099556, 10124445, 13499260, 16199112, 20248890, 26998520, 40497780, 80995560]

約数ペア:

[(1, 80995560), (2, 40497780), (3, 26998520), (4, 20248890), (5, 16199112), (6, 13499260), (8, 10124445), (10, 8099556), (12, 6749630), (15, 5399704), (20, 4049778), (24, 3374815), (30, 2699852), (31, 2612760), (40, 2024889), (60, 1349926), (62, 1306380), (93, 870920), (120, 674963), (124, 653190), (155, 522552), (186, 435460), (248, 326595), (310, 261276), (372, 217730), (465, 174184), (620, 130638), (744, 108865), (930, 87092), (1240, 65319), (1860, 43546), (3720, 21773)]