80465520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335273}}^1$

素因数の和:335289

約数の個数: 40

約数和(自身を含む): 249443856

約数和(自身を除く): 168978336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335273, 670546, 1005819, 1341092, 1676365, 2011638, 2682184, 3352730, 4023276, 5029095, 5364368, 6705460, 8046552, 10058190, 13410920, 16093104, 20116380, 26821840, 40232760, 80465520]

約数ペア:

[(1, 80465520), (2, 40232760), (3, 26821840), (4, 20116380), (5, 16093104), (6, 13410920), (8, 10058190), (10, 8046552), (12, 6705460), (15, 5364368), (16, 5029095), (20, 4023276), (24, 3352730), (30, 2682184), (40, 2011638), (48, 1676365), (60, 1341092), (80, 1005819), (120, 670546), (240, 335273)]