81597840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339991}}^1$

素因数の和:340007

約数の個数: 40

約数和(自身を含む): 252954048

約数和(自身を除く): 171356208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339991, 679982, 1019973, 1359964, 1699955, 2039946, 2719928, 3399910, 4079892, 5099865, 5439856, 6799820, 8159784, 10199730, 13599640, 16319568, 20399460, 27199280, 40798920, 81597840]

約数ペア:

[(1, 81597840), (2, 40798920), (3, 27199280), (4, 20399460), (5, 16319568), (6, 13599640), (8, 10199730), (10, 8159784), (12, 6799820), (15, 5439856), (16, 5099865), (20, 4079892), (24, 3399910), (30, 2719928), (40, 2039946), (48, 1699955), (60, 1359964), (80, 1019973), (120, 679982), (240, 339991)]