81786720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{170389}}^1$

素因数の和:170407

約数の個数: 48

約数和(自身を含む): 257629680

約数和(自身を除く): 175842960

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, 170389, 340778, 511167, 681556, 851945, 1022334, 1363112, 1703890, 2044668, 2555835, 2726224, 3407780, 4089336, 5111670, 5452448, 6815560, 8178672, 10223340, 13631120, 16357344, 20446680, 27262240, 40893360, 81786720]

約数ペア:

[(1, 81786720), (2, 40893360), (3, 27262240), (4, 20446680), (5, 16357344), (6, 13631120), (8, 10223340), (10, 8178672), (12, 6815560), (15, 5452448), (16, 5111670), (20, 4089336), (24, 3407780), (30, 2726224), (32, 2555835), (40, 2044668), (48, 1703890), (60, 1363112), (80, 1022334), (96, 851945), (120, 681556), (160, 511167), (240, 340778), (480, 170389)]