321722388

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 931909440

約数和(自身を除く): 610187052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 73, 78, 86, 108, 117, 129, 146, 156, 172, 219, 234, 258, 292, 351, 387, 438, 468, 516, 559, 657, 702, 774, 876, 949, 1118, 1161, 1314, 1404, 1548, 1677, 1898, 1971, 2236, 2322, 2628, 2847, 3139, 3354, 3796, 3942, 4644, 5031, 5329, 5694, 6278, 6708, 7884, 8541, 9417, 10062, 10658, 11388, 12556, 15093, 15987, 17082, 18834, 20124, 21316, 25623, 28251, 30186, 31974, 34164, 37668, 40807, 47961, 51246, 56502, 60372, 63948, 69277, 81614, 84753, 95922, 102492, 113004, 122421, 138554, 143883, 163228, 169506, 191844, 207831, 229147, 244842, 277108, 287766, 339012, 367263, 415662, 458294, 489684, 575532, 623493, 687441, 734526, 831324, 916588, 1101789, 1246986, 1374882, 1469052, 1870479, 2062323, 2203578, 2493972, 2749764, 2978911, 3740958, 4124646, 4407156, 5957822, 6186969, 7481916, 8249292, 8936733, 11915644, 12373938, 17873466, 24747876, 26810199, 35746932, 53620398, 80430597, 107240796, 160861194, 321722388]

約数ペア:

[(1, 321722388), (2, 160861194), (3, 107240796), (4, 80430597), (6, 53620398), (9, 35746932), (12, 26810199), (13, 24747876), (18, 17873466), (26, 12373938), (27, 11915644), (36, 8936733), (39, 8249292), (43, 7481916), (52, 6186969), (54, 5957822), (73, 4407156), (78, 4124646), (86, 3740958), (108, 2978911), (117, 2749764), (129, 2493972), (146, 2203578), (156, 2062323), (172, 1870479), (219, 1469052), (234, 1374882), (258, 1246986), (292, 1101789), (351, 916588), (387, 831324), (438, 734526), (468, 687441), (516, 623493), (559, 575532), (657, 489684), (702, 458294), (774, 415662), (876, 367263), (949, 339012), (1118, 287766), (1161, 277108), (1314, 244842), (1404, 229147), (1548, 207831), (1677, 191844), (1898, 169506), (1971, 163228), (2236, 143883), (2322, 138554), (2628, 122421), (2847, 113004), (3139, 102492), (3354, 95922), (3796, 84753), (3942, 81614), (4644, 69277), (5031, 63948), (5329, 60372), (5694, 56502), (6278, 51246), (6708, 47961), (7884, 40807), (8541, 37668), (9417, 34164), (10062, 31974), (10658, 30186), (11388, 28251), (12556, 25623), (15093, 21316), (15987, 20124), (17082, 18834)]