15620660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 39070080

約数和(自身を除く): 23449420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 101, 110, 148, 185, 190, 202, 209, 220, 370, 380, 404, 407, 418, 505, 703, 740, 814, 836, 1010, 1045, 1111, 1406, 1628, 1919, 2020, 2035, 2090, 2222, 2812, 3515, 3737, 3838, 4070, 4180, 4444, 5555, 7030, 7474, 7676, 7733, 8140, 9595, 11110, 14060, 14948, 15466, 18685, 19190, 21109, 22220, 30932, 37370, 38380, 38665, 41107, 42218, 71003, 74740, 77330, 82214, 84436, 105545, 142006, 154660, 164428, 205535, 211090, 284012, 355015, 411070, 422180, 710030, 781033, 822140, 1420060, 1562066, 3124132, 3905165, 7810330, 15620660]

約数ペア:

[(1, 15620660), (2, 7810330), (4, 3905165), (5, 3124132), (10, 1562066), (11, 1420060), (19, 822140), (20, 781033), (22, 710030), (37, 422180), (38, 411070), (44, 355015), (55, 284012), (74, 211090), (76, 205535), (95, 164428), (101, 154660), (110, 142006), (148, 105545), (185, 84436), (190, 82214), (202, 77330), (209, 74740), (220, 71003), (370, 42218), (380, 41107), (404, 38665), (407, 38380), (418, 37370), (505, 30932), (703, 22220), (740, 21109), (814, 19190), (836, 18685), (1010, 15466), (1045, 14948), (1111, 14060), (1406, 11110), (1628, 9595), (1919, 8140), (2020, 7733), (2035, 7676), (2090, 7474), (2222, 7030), (2812, 5555), (3515, 4444), (3737, 4180), (3838, 4070)]