321815080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 758160000

約数和(自身を除く): 436344920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 499, 701, 920, 998, 1402, 1996, 2495, 2804, 3505, 3992, 4990, 5608, 7010, 9980, 11477, 14020, 16123, 19960, 22954, 28040, 32246, 45908, 57385, 64492, 80615, 91816, 114770, 128984, 161230, 229540, 322460, 349799, 459080, 644920, 699598, 1399196, 1748995, 2798392, 3497990, 6995980, 8045377, 13991960, 16090754, 32181508, 40226885, 64363016, 80453770, 160907540, 321815080]

約数ペア:

[(1, 321815080), (2, 160907540), (4, 80453770), (5, 64363016), (8, 40226885), (10, 32181508), (20, 16090754), (23, 13991960), (40, 8045377), (46, 6995980), (92, 3497990), (115, 2798392), (184, 1748995), (230, 1399196), (460, 699598), (499, 644920), (701, 459080), (920, 349799), (998, 322460), (1402, 229540), (1996, 161230), (2495, 128984), (2804, 114770), (3505, 91816), (3992, 80615), (4990, 64492), (5608, 57385), (7010, 45908), (9980, 32246), (11477, 28040), (14020, 22954), (16123, 19960)]