80859780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 259843584

約数和(自身を除く): 178983804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 337, 372, 387, 430, 465, 516, 558, 620, 645, 674, 774, 860, 930, 1011, 1116, 1290, 1333, 1348, 1395, 1548, 1685, 1860, 1935, 2022, 2580, 2666, 2790, 3033, 3370, 3870, 3999, 4044, 5055, 5332, 5580, 6066, 6665, 6740, 7740, 7998, 10110, 10447, 11997, 12132, 13330, 14491, 15165, 15996, 19995, 20220, 20894, 23994, 26660, 28982, 30330, 31341, 39990, 41788, 43473, 47988, 52235, 57964, 59985, 60660, 62682, 72455, 79980, 86946, 94023, 104470, 119970, 125364, 130419, 144910, 156705, 173892, 188046, 208940, 217365, 239940, 260838, 289820, 313410, 376092, 434730, 449221, 470115, 521676, 626820, 652095, 869460, 898442, 940230, 1304190, 1347663, 1796884, 1880460, 2246105, 2608380, 2695326, 4042989, 4492210, 5390652, 6738315, 8085978, 8984420, 13476630, 16171956, 20214945, 26953260, 40429890, 80859780]

約数ペア:

[(1, 80859780), (2, 40429890), (3, 26953260), (4, 20214945), (5, 16171956), (6, 13476630), (9, 8984420), (10, 8085978), (12, 6738315), (15, 5390652), (18, 4492210), (20, 4042989), (30, 2695326), (31, 2608380), (36, 2246105), (43, 1880460), (45, 1796884), (60, 1347663), (62, 1304190), (86, 940230), (90, 898442), (93, 869460), (124, 652095), (129, 626820), (155, 521676), (172, 470115), (180, 449221), (186, 434730), (215, 376092), (258, 313410), (279, 289820), (310, 260838), (337, 239940), (372, 217365), (387, 208940), (430, 188046), (465, 173892), (516, 156705), (558, 144910), (620, 130419), (645, 125364), (674, 119970), (774, 104470), (860, 94023), (930, 86946), (1011, 79980), (1116, 72455), (1290, 62682), (1333, 60660), (1348, 59985), (1395, 57964), (1548, 52235), (1685, 47988), (1860, 43473), (1935, 41788), (2022, 39990), (2580, 31341), (2666, 30330), (2790, 28982), (3033, 26660), (3370, 23994), (3870, 20894), (3999, 20220), (4044, 19995), (5055, 15996), (5332, 15165), (5580, 14491), (6066, 13330), (6665, 12132), (6740, 11997), (7740, 10447), (7998, 10110)]