21166560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14699}}^1$

素因数の和:14720

約数の個数: 72

約数和(自身を含む): 72235800

約数和(自身を除く): 51069240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14699, 29398, 44097, 58796, 73495, 88194, 117592, 132291, 146990, 176388, 220485, 235184, 264582, 293980, 352776, 440970, 470368, 529164, 587960, 661455, 705552, 881940, 1058328, 1175920, 1322910, 1411104, 1763880, 2116656, 2351840, 2645820, 3527760, 4233312, 5291640, 7055520, 10583280, 21166560]

約数ペア:

[(1, 21166560), (2, 10583280), (3, 7055520), (4, 5291640), (5, 4233312), (6, 3527760), (8, 2645820), (9, 2351840), (10, 2116656), (12, 1763880), (15, 1411104), (16, 1322910), (18, 1175920), (20, 1058328), (24, 881940), (30, 705552), (32, 661455), (36, 587960), (40, 529164), (45, 470368), (48, 440970), (60, 352776), (72, 293980), (80, 264582), (90, 235184), (96, 220485), (120, 176388), (144, 146990), (160, 132291), (180, 117592), (240, 88194), (288, 73495), (360, 58796), (480, 44097), (720, 29398), (1440, 14699)]