261958560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{545747}}^1$

素因数の和:545765

約数の個数: 48

約数和(自身を含む): 825170976

約数和(自身を除く): 563212416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 545747, 1091494, 1637241, 2182988, 2728735, 3274482, 4365976, 5457470, 6548964, 8186205, 8731952, 10914940, 13097928, 16372410, 17463904, 21829880, 26195856, 32744820, 43659760, 52391712, 65489640, 87319520, 130979280, 261958560]

約数ペア:

[(1, 261958560), (2, 130979280), (3, 87319520), (4, 65489640), (5, 52391712), (6, 43659760), (8, 32744820), (10, 26195856), (12, 21829880), (15, 17463904), (16, 16372410), (20, 13097928), (24, 10914940), (30, 8731952), (32, 8186205), (40, 6548964), (48, 5457470), (60, 4365976), (80, 3274482), (96, 2728735), (120, 2182988), (160, 1637241), (240, 1091494), (480, 545747)]