781691640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{13267}}^1$

素因数の和:13772

約数の個数: 64

約数和(自身を含む): 2350028160

約数和(自身を除く): 1568336520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2455, 2946, 3928, 4910, 5892, 7365, 9820, 11784, 13267, 14730, 19640, 26534, 29460, 39801, 53068, 58920, 66335, 79602, 106136, 132670, 159204, 199005, 265340, 318408, 398010, 530680, 796020, 1592040, 6514097, 13028194, 19542291, 26056388, 32570485, 39084582, 52112776, 65140970, 78169164, 97711455, 130281940, 156338328, 195422910, 260563880, 390845820, 781691640]

約数ペア:

[(1, 781691640), (2, 390845820), (3, 260563880), (4, 195422910), (5, 156338328), (6, 130281940), (8, 97711455), (10, 78169164), (12, 65140970), (15, 52112776), (20, 39084582), (24, 32570485), (30, 26056388), (40, 19542291), (60, 13028194), (120, 6514097), (491, 1592040), (982, 796020), (1473, 530680), (1964, 398010), (2455, 318408), (2946, 265340), (3928, 199005), (4910, 159204), (5892, 132670), (7365, 106136), (9820, 79602), (11784, 66335), (13267, 58920), (14730, 53068), (19640, 39801), (26534, 29460)]