489054080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12527}}^1$

素因数の和:12607

約数の個数: 64

約数和(自身を含む): 1188406080

約数和(自身を除く): 699352000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 12527, 19520, 25054, 39040, 50108, 62635, 100216, 125270, 200432, 250540, 400864, 501080, 764147, 801728, 1002160, 1528294, 1603456, 2004320, 3056588, 3820735, 4008640, 6113176, 7641470, 8017280, 12226352, 15282940, 24452704, 30565880, 48905408, 61131760, 97810816, 122263520, 244527040, 489054080]

約数ペア:

[(1, 489054080), (2, 244527040), (4, 122263520), (5, 97810816), (8, 61131760), (10, 48905408), (16, 30565880), (20, 24452704), (32, 15282940), (40, 12226352), (61, 8017280), (64, 7641470), (80, 6113176), (122, 4008640), (128, 3820735), (160, 3056588), (244, 2004320), (305, 1603456), (320, 1528294), (488, 1002160), (610, 801728), (640, 764147), (976, 501080), (1220, 400864), (1952, 250540), (2440, 200432), (3904, 125270), (4880, 100216), (7808, 62635), (9760, 50108), (12527, 39040), (19520, 25054)]