13406960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 36158400

約数和(自身を除く): 22751440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 269, 280, 356, 445, 538, 560, 623, 712, 890, 1076, 1246, 1345, 1424, 1780, 1883, 2152, 2492, 2690, 3115, 3560, 3766, 4304, 4984, 5380, 6230, 7120, 7532, 9415, 9968, 10760, 12460, 15064, 18830, 21520, 23941, 24920, 30128, 37660, 47882, 49840, 75320, 95764, 119705, 150640, 167587, 191528, 239410, 335174, 383056, 478820, 670348, 837935, 957640, 1340696, 1675870, 1915280, 2681392, 3351740, 6703480, 13406960]

約数ペア:

[(1, 13406960), (2, 6703480), (4, 3351740), (5, 2681392), (7, 1915280), (8, 1675870), (10, 1340696), (14, 957640), (16, 837935), (20, 670348), (28, 478820), (35, 383056), (40, 335174), (56, 239410), (70, 191528), (80, 167587), (89, 150640), (112, 119705), (140, 95764), (178, 75320), (269, 49840), (280, 47882), (356, 37660), (445, 30128), (538, 24920), (560, 23941), (623, 21520), (712, 18830), (890, 15064), (1076, 12460), (1246, 10760), (1345, 9968), (1424, 9415), (1780, 7532), (1883, 7120), (2152, 6230), (2492, 5380), (2690, 4984), (3115, 4304), (3560, 3766)]