18152120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 28892680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 269, 280, 482, 538, 964, 1076, 1205, 1345, 1687, 1883, 1928, 2152, 2410, 2690, 3374, 3766, 4820, 5380, 6748, 7532, 8435, 9415, 9640, 10760, 13496, 15064, 16870, 18830, 33740, 37660, 64829, 67480, 75320, 129658, 259316, 324145, 453803, 518632, 648290, 907606, 1296580, 1815212, 2269015, 2593160, 3630424, 4538030, 9076060, 18152120]

約数ペア:

[(1, 18152120), (2, 9076060), (4, 4538030), (5, 3630424), (7, 2593160), (8, 2269015), (10, 1815212), (14, 1296580), (20, 907606), (28, 648290), (35, 518632), (40, 453803), (56, 324145), (70, 259316), (140, 129658), (241, 75320), (269, 67480), (280, 64829), (482, 37660), (538, 33740), (964, 18830), (1076, 16870), (1205, 15064), (1345, 13496), (1687, 10760), (1883, 9640), (1928, 9415), (2152, 8435), (2410, 7532), (2690, 6748), (3374, 5380), (3766, 4820)]