15705716540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{5167}}^1$

素因数の和:5635

約数の個数: 72

約数和(自身を含む): 34898697792

約数和(自身を除く): 19192981252

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 421, 722, 842, 1444, 1684, 1805, 2105, 3610, 4210, 5167, 7220, 7999, 8420, 10334, 15998, 20668, 25835, 31996, 39995, 51670, 79990, 98173, 103340, 151981, 159980, 196346, 303962, 392692, 490865, 607924, 759905, 981730, 1519810, 1865287, 1963460, 2175307, 3039620, 3730574, 4350614, 7461148, 8701228, 9326435, 10876535, 18652870, 21753070, 37305740, 41330833, 43506140, 82661666, 165323332, 206654165, 413308330, 785285827, 826616660, 1570571654, 3141143308, 3926429135, 7852858270, 15705716540]

約数ペア:

[(1, 15705716540), (2, 7852858270), (4, 3926429135), (5, 3141143308), (10, 1570571654), (19, 826616660), (20, 785285827), (38, 413308330), (76, 206654165), (95, 165323332), (190, 82661666), (361, 43506140), (380, 41330833), (421, 37305740), (722, 21753070), (842, 18652870), (1444, 10876535), (1684, 9326435), (1805, 8701228), (2105, 7461148), (3610, 4350614), (4210, 3730574), (5167, 3039620), (7220, 2175307), (7999, 1963460), (8420, 1865287), (10334, 1519810), (15998, 981730), (20668, 759905), (25835, 607924), (31996, 490865), (39995, 392692), (51670, 303962), (79990, 196346), (98173, 159980), (103340, 151981)]