77938680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1861}}^1$

素因数の和:2224

約数の個数: 64

約数和(自身を含む): 234612000

約数和(自身を除く): 156673320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1745, 1861, 2094, 2792, 3490, 3722, 4188, 5235, 5583, 6980, 7444, 8376, 9305, 10470, 11166, 13960, 14888, 18610, 20940, 22332, 27915, 37220, 41880, 44664, 55830, 74440, 111660, 223320, 649489, 1298978, 1948467, 2597956, 3247445, 3896934, 5195912, 6494890, 7793868, 9742335, 12989780, 15587736, 19484670, 25979560, 38969340, 77938680]

約数ペア:

[(1, 77938680), (2, 38969340), (3, 25979560), (4, 19484670), (5, 15587736), (6, 12989780), (8, 9742335), (10, 7793868), (12, 6494890), (15, 5195912), (20, 3896934), (24, 3247445), (30, 2597956), (40, 1948467), (60, 1298978), (120, 649489), (349, 223320), (698, 111660), (1047, 74440), (1396, 55830), (1745, 44664), (1861, 41880), (2094, 37220), (2792, 27915), (3490, 22332), (3722, 20940), (4188, 18610), (5235, 14888), (5583, 13960), (6980, 11166), (7444, 10470), (8376, 9305)]