2645520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 8368512

約数和(自身を除く): 5722992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 151, 219, 240, 292, 302, 365, 438, 453, 584, 604, 730, 755, 876, 906, 1095, 1168, 1208, 1460, 1510, 1752, 1812, 2190, 2265, 2416, 2920, 3020, 3504, 3624, 4380, 4530, 5840, 6040, 7248, 8760, 9060, 11023, 12080, 17520, 18120, 22046, 33069, 36240, 44092, 55115, 66138, 88184, 110230, 132276, 165345, 176368, 220460, 264552, 330690, 440920, 529104, 661380, 881840, 1322760, 2645520]

約数ペア:

[(1, 2645520), (2, 1322760), (3, 881840), (4, 661380), (5, 529104), (6, 440920), (8, 330690), (10, 264552), (12, 220460), (15, 176368), (16, 165345), (20, 132276), (24, 110230), (30, 88184), (40, 66138), (48, 55115), (60, 44092), (73, 36240), (80, 33069), (120, 22046), (146, 18120), (151, 17520), (219, 12080), (240, 11023), (292, 9060), (302, 8760), (365, 7248), (438, 6040), (453, 5840), (584, 4530), (604, 4380), (730, 3624), (755, 3504), (876, 3020), (906, 2920), (1095, 2416), (1168, 2265), (1208, 2190), (1460, 1812), (1510, 1752)]