178275420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 571963392

約数和(自身を除く): 393687972

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, 372, 387, 430, 465, 516, 558, 620, 645, 743, 774, 860, 930, 1116, 1290, 1333, 1395, 1486, 1548, 1860, 1935, 2229, 2580, 2666, 2790, 2972, 3715, 3870, 3999, 4458, 5332, 5580, 6665, 6687, 7430, 7740, 7998, 8916, 11145, 11997, 13330, 13374, 14860, 15996, 19995, 22290, 23033, 23994, 26660, 26748, 31949, 33435, 39990, 44580, 46066, 47988, 59985, 63898, 66870, 69099, 79980, 92132, 95847, 115165, 119970, 127796, 133740, 138198, 159745, 191694, 207297, 230330, 239940, 276396, 287541, 319490, 345495, 383388, 414594, 460660, 479235, 575082, 638980, 690990, 829188, 958470, 990419, 1036485, 1150164, 1381980, 1437705, 1916940, 1980838, 2072970, 2875410, 2971257, 3961676, 4145940, 4952095, 5750820, 5942514, 8913771, 9904190, 11885028, 14856285, 17827542, 19808380, 29712570, 35655084, 44568855, 59425140, 89137710, 178275420]

約数ペア:

[(1, 178275420), (2, 89137710), (3, 59425140), (4, 44568855), (5, 35655084), (6, 29712570), (9, 19808380), (10, 17827542), (12, 14856285), (15, 11885028), (18, 9904190), (20, 8913771), (30, 5942514), (31, 5750820), (36, 4952095), (43, 4145940), (45, 3961676), (60, 2971257), (62, 2875410), (86, 2072970), (90, 1980838), (93, 1916940), (124, 1437705), (129, 1381980), (155, 1150164), (172, 1036485), (180, 990419), (186, 958470), (215, 829188), (258, 690990), (279, 638980), (310, 575082), (372, 479235), (387, 460660), (430, 414594), (465, 383388), (516, 345495), (558, 319490), (620, 287541), (645, 276396), (743, 239940), (774, 230330), (860, 207297), (930, 191694), (1116, 159745), (1290, 138198), (1333, 133740), (1395, 127796), (1486, 119970), (1548, 115165), (1860, 95847), (1935, 92132), (2229, 79980), (2580, 69099), (2666, 66870), (2790, 63898), (2972, 59985), (3715, 47988), (3870, 46066), (3999, 44580), (4458, 39990), (5332, 33435), (5580, 31949), (6665, 26748), (6687, 26660), (7430, 23994), (7740, 23033), (7998, 22290), (8916, 19995), (11145, 15996), (11997, 14860), (13330, 13374)]