87639660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21169}}^1$

素因数の和:21207

約数の個数: 72

約数和(自身を含む): 277411680

約数和(自身を除く): 189772020

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, 4140, 21169, 42338, 63507, 84676, 105845, 127014, 190521, 211690, 254028, 317535, 381042, 423380, 486887, 635070, 762084, 952605, 973774, 1270140, 1460661, 1905210, 1947548, 2434435, 2921322, 3810420, 4381983, 4868870, 5842644, 7303305, 8763966, 9737740, 14606610, 17527932, 21909915, 29213220, 43819830, 87639660]

約数ペア:

[(1, 87639660), (2, 43819830), (3, 29213220), (4, 21909915), (5, 17527932), (6, 14606610), (9, 9737740), (10, 8763966), (12, 7303305), (15, 5842644), (18, 4868870), (20, 4381983), (23, 3810420), (30, 2921322), (36, 2434435), (45, 1947548), (46, 1905210), (60, 1460661), (69, 1270140), (90, 973774), (92, 952605), (115, 762084), (138, 635070), (180, 486887), (207, 423380), (230, 381042), (276, 317535), (345, 254028), (414, 211690), (460, 190521), (690, 127014), (828, 105845), (1035, 84676), (1380, 63507), (2070, 42338), (4140, 21169)]