30672760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 44171240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1049, 1462, 1720, 2098, 2924, 3655, 4196, 5245, 5848, 7310, 8392, 10490, 14620, 17833, 20980, 29240, 35666, 41960, 45107, 71332, 89165, 90214, 142664, 178330, 180428, 225535, 356660, 360856, 451070, 713320, 766819, 902140, 1533638, 1804280, 3067276, 3834095, 6134552, 7668190, 15336380, 30672760]

約数ペア:

[(1, 30672760), (2, 15336380), (4, 7668190), (5, 6134552), (8, 3834095), (10, 3067276), (17, 1804280), (20, 1533638), (34, 902140), (40, 766819), (43, 713320), (68, 451070), (85, 360856), (86, 356660), (136, 225535), (170, 180428), (172, 178330), (215, 142664), (340, 90214), (344, 89165), (430, 71332), (680, 45107), (731, 41960), (860, 35666), (1049, 29240), (1462, 20980), (1720, 17833), (2098, 14620), (2924, 10490), (3655, 8392), (4196, 7310), (5245, 5848)]