161788920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20123}}^1$

素因数の和:20204

約数の個数: 64

約数和(自身を含む): 492635520

約数和(自身を除く): 330846600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 20123, 40246, 60369, 80492, 100615, 120738, 160984, 201230, 241476, 301845, 402460, 482952, 603690, 804920, 1207380, 1348241, 2414760, 2696482, 4044723, 5392964, 6741205, 8089446, 10785928, 13482410, 16178892, 20223615, 26964820, 32357784, 40447230, 53929640, 80894460, 161788920]

約数ペア:

[(1, 161788920), (2, 80894460), (3, 53929640), (4, 40447230), (5, 32357784), (6, 26964820), (8, 20223615), (10, 16178892), (12, 13482410), (15, 10785928), (20, 8089446), (24, 6741205), (30, 5392964), (40, 4044723), (60, 2696482), (67, 2414760), (120, 1348241), (134, 1207380), (201, 804920), (268, 603690), (335, 482952), (402, 402460), (536, 301845), (670, 241476), (804, 201230), (1005, 160984), (1340, 120738), (1608, 100615), (2010, 80492), (2680, 60369), (4020, 40246), (8040, 20123)]