123146720

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2459}}^1$

素因数の和:2787

約数の個数: 48

約数和(自身を含む): 291982320

約数和(自身を除く): 168835600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 2459, 2504, 3130, 4918, 5008, 6260, 9836, 10016, 12295, 12520, 19672, 24590, 25040, 39344, 49180, 50080, 78688, 98360, 196720, 393440, 769667, 1539334, 3078668, 3848335, 6157336, 7696670, 12314672, 15393340, 24629344, 30786680, 61573360, 123146720]

約数ペア:

[(1, 123146720), (2, 61573360), (4, 30786680), (5, 24629344), (8, 15393340), (10, 12314672), (16, 7696670), (20, 6157336), (32, 3848335), (40, 3078668), (80, 1539334), (160, 769667), (313, 393440), (626, 196720), (1252, 98360), (1565, 78688), (2459, 50080), (2504, 49180), (3130, 39344), (4918, 25040), (5008, 24590), (6260, 19672), (9836, 12520), (10016, 12295)]