8872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 28094976

約数和(自身を除く): 19222956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 2143, 4140, 4286, 6429, 8572, 10715, 12858, 19287, 21430, 25716, 32145, 38574, 42860, 49289, 64290, 77148, 96435, 98578, 128580, 147867, 192870, 197156, 246445, 295734, 385740, 443601, 492890, 591468, 739335, 887202, 985780, 1478670, 1774404, 2218005, 2957340, 4436010, 8872020]

約数ペア:

[(1, 8872020), (2, 4436010), (3, 2957340), (4, 2218005), (5, 1774404), (6, 1478670), (9, 985780), (10, 887202), (12, 739335), (15, 591468), (18, 492890), (20, 443601), (23, 385740), (30, 295734), (36, 246445), (45, 197156), (46, 192870), (60, 147867), (69, 128580), (90, 98578), (92, 96435), (115, 77148), (138, 64290), (180, 49289), (207, 42860), (230, 38574), (276, 32145), (345, 25716), (414, 21430), (460, 19287), (690, 12858), (828, 10715), (1035, 8572), (1380, 6429), (2070, 4286), (2143, 4140)]