8021212740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1937491}}^1$

素因数の和:1937529

約数の個数: 72

約数和(自身を含む): 25388895168

約数和(自身を除く): 17367682428

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, 1937491, 3874982, 5812473, 7749964, 9687455, 11624946, 17437419, 19374910, 23249892, 29062365, 34874838, 38749820, 44562293, 58124730, 69749676, 87187095, 89124586, 116249460, 133686879, 174374190, 178249172, 222811465, 267373758, 348748380, 401060637, 445622930, 534747516, 668434395, 802121274, 891245860, 1336868790, 1604242548, 2005303185, 2673737580, 4010606370, 8021212740]

約数ペア:

[(1, 8021212740), (2, 4010606370), (3, 2673737580), (4, 2005303185), (5, 1604242548), (6, 1336868790), (9, 891245860), (10, 802121274), (12, 668434395), (15, 534747516), (18, 445622930), (20, 401060637), (23, 348748380), (30, 267373758), (36, 222811465), (45, 178249172), (46, 174374190), (60, 133686879), (69, 116249460), (90, 89124586), (92, 87187095), (115, 69749676), (138, 58124730), (180, 44562293), (207, 38749820), (230, 34874838), (276, 29062365), (345, 23249892), (414, 19374910), (460, 17437419), (690, 11624946), (828, 9687455), (1035, 7749964), (1380, 5812473), (2070, 3874982), (4140, 1937491)]