168087640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 443232000

約数和(自身を除く): 275144360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 191, 196, 245, 280, 382, 392, 449, 490, 764, 898, 955, 980, 1337, 1528, 1796, 1910, 1960, 2245, 2674, 3143, 3592, 3820, 4490, 5348, 6286, 6685, 7640, 8980, 9359, 10696, 12572, 13370, 15715, 17960, 18718, 22001, 25144, 26740, 31430, 37436, 44002, 46795, 53480, 62860, 74872, 85759, 88004, 93590, 110005, 125720, 171518, 176008, 187180, 220010, 343036, 374360, 428795, 440020, 600313, 686072, 857590, 880040, 1200626, 1715180, 2401252, 3001565, 3430360, 4202191, 4802504, 6003130, 8404382, 12006260, 16808764, 21010955, 24012520, 33617528, 42021910, 84043820, 168087640]

約数ペア:

[(1, 168087640), (2, 84043820), (4, 42021910), (5, 33617528), (7, 24012520), (8, 21010955), (10, 16808764), (14, 12006260), (20, 8404382), (28, 6003130), (35, 4802504), (40, 4202191), (49, 3430360), (56, 3001565), (70, 2401252), (98, 1715180), (140, 1200626), (191, 880040), (196, 857590), (245, 686072), (280, 600313), (382, 440020), (392, 428795), (449, 374360), (490, 343036), (764, 220010), (898, 187180), (955, 176008), (980, 171518), (1337, 125720), (1528, 110005), (1796, 93590), (1910, 88004), (1960, 85759), (2245, 74872), (2674, 62860), (3143, 53480), (3592, 46795), (3820, 44002), (4490, 37436), (5348, 31430), (6286, 26740), (6685, 25144), (7640, 22001), (8980, 18718), (9359, 17960), (10696, 15715), (12572, 13370)]