2840120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 6976800

約数和(自身を除く): 4136680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 101, 148, 152, 185, 190, 202, 296, 370, 380, 404, 505, 703, 740, 760, 808, 1010, 1406, 1480, 1919, 2020, 2812, 3515, 3737, 3838, 4040, 5624, 7030, 7474, 7676, 9595, 14060, 14948, 15352, 18685, 19190, 28120, 29896, 37370, 38380, 71003, 74740, 76760, 142006, 149480, 284012, 355015, 568024, 710030, 1420060, 2840120]

約数ペア:

[(1, 2840120), (2, 1420060), (4, 710030), (5, 568024), (8, 355015), (10, 284012), (19, 149480), (20, 142006), (37, 76760), (38, 74740), (40, 71003), (74, 38380), (76, 37370), (95, 29896), (101, 28120), (148, 19190), (152, 18685), (185, 15352), (190, 14948), (202, 14060), (296, 9595), (370, 7676), (380, 7474), (404, 7030), (505, 5624), (703, 4040), (740, 3838), (760, 3737), (808, 3515), (1010, 2812), (1406, 2020), (1480, 1919)]