123258420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{684769}}^1$

素因数の和:684784

約数の個数: 36

約数和(自身を含む): 373884420

約数和(自身を除く): 250626000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 684769, 1369538, 2054307, 2739076, 3423845, 4108614, 6162921, 6847690, 8217228, 10271535, 12325842, 13695380, 20543070, 24651684, 30814605, 41086140, 61629210, 123258420]

約数ペア:

[(1, 123258420), (2, 61629210), (3, 41086140), (4, 30814605), (5, 24651684), (6, 20543070), (9, 13695380), (10, 12325842), (12, 10271535), (15, 8217228), (18, 6847690), (20, 6162921), (30, 4108614), (36, 3423845), (45, 2739076), (60, 2054307), (90, 1369538), (180, 684769)]