309363960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1261

約数の個数: 128

約数和(自身を含む): 990662400

約数和(自身を除く): 681298440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 139, 170, 204, 255, 278, 340, 408, 417, 510, 556, 680, 695, 834, 1020, 1091, 1112, 1390, 1668, 2040, 2085, 2182, 2363, 2780, 3273, 3336, 4170, 4364, 4726, 5455, 5560, 6546, 7089, 8340, 8728, 9452, 10910, 11815, 13092, 14178, 16365, 16680, 18547, 18904, 21820, 23630, 26184, 28356, 32730, 35445, 37094, 43640, 47260, 55641, 56712, 65460, 70890, 74188, 92735, 94520, 111282, 130920, 141780, 148376, 151649, 185470, 222564, 278205, 283560, 303298, 370940, 445128, 454947, 556410, 606596, 741880, 758245, 909894, 1112820, 1213192, 1516490, 1819788, 2225640, 2274735, 2578033, 3032980, 3639576, 4549470, 5156066, 6065960, 7734099, 9098940, 10312132, 12890165, 15468198, 18197880, 20624264, 25780330, 30936396, 38670495, 51560660, 61872792, 77340990, 103121320, 154681980, 309363960]

約数ペア:

[(1, 309363960), (2, 154681980), (3, 103121320), (4, 77340990), (5, 61872792), (6, 51560660), (8, 38670495), (10, 30936396), (12, 25780330), (15, 20624264), (17, 18197880), (20, 15468198), (24, 12890165), (30, 10312132), (34, 9098940), (40, 7734099), (51, 6065960), (60, 5156066), (68, 4549470), (85, 3639576), (102, 3032980), (120, 2578033), (136, 2274735), (139, 2225640), (170, 1819788), (204, 1516490), (255, 1213192), (278, 1112820), (340, 909894), (408, 758245), (417, 741880), (510, 606596), (556, 556410), (680, 454947), (695, 445128), (834, 370940), (1020, 303298), (1091, 283560), (1112, 278205), (1390, 222564), (1668, 185470), (2040, 151649), (2085, 148376), (2182, 141780), (2363, 130920), (2780, 111282), (3273, 94520), (3336, 92735), (4170, 74188), (4364, 70890), (4726, 65460), (5455, 56712), (5560, 55641), (6546, 47260), (7089, 43640), (8340, 37094), (8728, 35445), (9452, 32730), (10910, 28356), (11815, 26184), (13092, 23630), (14178, 21820), (16365, 18904), (16680, 18547)]