257319120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1072163}}^1$

素因数の和:1072179

約数の個数: 40

約数和(自身を含む): 797690016

約数和(自身を除く): 540370896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1072163, 2144326, 3216489, 4288652, 5360815, 6432978, 8577304, 10721630, 12865956, 16082445, 17154608, 21443260, 25731912, 32164890, 42886520, 51463824, 64329780, 85773040, 128659560, 257319120]

約数ペア:

[(1, 257319120), (2, 128659560), (3, 85773040), (4, 64329780), (5, 51463824), (6, 42886520), (8, 32164890), (10, 25731912), (12, 21443260), (15, 17154608), (16, 16082445), (20, 12865956), (24, 10721630), (30, 8577304), (40, 6432978), (48, 5360815), (60, 4288652), (80, 3216489), (120, 2144326), (240, 1072163)]