1520791980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:2079

約数の個数: 96

約数和(自身を含む): 4333486080

約数和(自身を除く): 2812694100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 127, 218, 254, 327, 381, 436, 508, 545, 635, 654, 762, 1090, 1270, 1308, 1524, 1635, 1831, 1905, 2180, 2540, 3270, 3662, 3810, 5493, 6540, 7324, 7620, 9155, 10986, 13843, 18310, 21972, 27465, 27686, 36620, 41529, 54930, 55372, 69215, 83058, 109860, 138430, 166116, 199579, 207645, 232537, 276860, 399158, 415290, 465074, 598737, 697611, 798316, 830580, 930148, 997895, 1162685, 1197474, 1395222, 1995790, 2325370, 2394948, 2790444, 2993685, 3488055, 3991580, 4650740, 5987370, 6976110, 11974740, 13952220, 25346533, 50693066, 76039599, 101386132, 126732665, 152079198, 253465330, 304158396, 380197995, 506930660, 760395990, 1520791980]

約数ペア:

[(1, 1520791980), (2, 760395990), (3, 506930660), (4, 380197995), (5, 304158396), (6, 253465330), (10, 152079198), (12, 126732665), (15, 101386132), (20, 76039599), (30, 50693066), (60, 25346533), (109, 13952220), (127, 11974740), (218, 6976110), (254, 5987370), (327, 4650740), (381, 3991580), (436, 3488055), (508, 2993685), (545, 2790444), (635, 2394948), (654, 2325370), (762, 1995790), (1090, 1395222), (1270, 1197474), (1308, 1162685), (1524, 997895), (1635, 930148), (1831, 830580), (1905, 798316), (2180, 697611), (2540, 598737), (3270, 465074), (3662, 415290), (3810, 399158), (5493, 276860), (6540, 232537), (7324, 207645), (7620, 199579), (9155, 166116), (10986, 138430), (13843, 109860), (18310, 83058), (21972, 69215), (27465, 55372), (27686, 54930), (36620, 41529)]