28068540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7669}}^1$

素因数の和:7742

約数の個数: 48

約数和(自身を含む): 79890720

約数和(自身を除く): 51822180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7669, 15338, 23007, 30676, 38345, 46014, 76690, 92028, 115035, 153380, 230070, 460140, 467809, 935618, 1403427, 1871236, 2339045, 2806854, 4678090, 5613708, 7017135, 9356180, 14034270, 28068540]

約数ペア:

[(1, 28068540), (2, 14034270), (3, 9356180), (4, 7017135), (5, 5613708), (6, 4678090), (10, 2806854), (12, 2339045), (15, 1871236), (20, 1403427), (30, 935618), (60, 467809), (61, 460140), (122, 230070), (183, 153380), (244, 115035), (305, 92028), (366, 76690), (610, 46014), (732, 38345), (915, 30676), (1220, 23007), (1830, 15338), (3660, 7669)]