245671380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1251

約数の個数: 120

約数和(自身を含む): 776936160

約数和(自身を除く): 531264780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 270, 278, 324, 405, 417, 540, 556, 695, 810, 834, 1091, 1251, 1390, 1620, 1668, 2085, 2182, 2502, 2780, 3273, 3753, 4170, 4364, 5004, 5455, 6255, 6546, 7506, 8340, 9819, 10910, 11259, 12510, 13092, 15012, 16365, 18765, 19638, 21820, 22518, 25020, 29457, 32730, 37530, 39276, 45036, 49095, 56295, 58914, 65460, 75060, 88371, 98190, 112590, 117828, 147285, 151649, 176742, 196380, 225180, 294570, 303298, 353484, 441855, 454947, 589140, 606596, 758245, 883710, 909894, 1364841, 1516490, 1767420, 1819788, 2274735, 2729682, 3032980, 4094523, 4549470, 5459364, 6824205, 8189046, 9098940, 12283569, 13648410, 16378092, 20472615, 24567138, 27296820, 40945230, 49134276, 61417845, 81890460, 122835690, 245671380]

約数ペア:

[(1, 245671380), (2, 122835690), (3, 81890460), (4, 61417845), (5, 49134276), (6, 40945230), (9, 27296820), (10, 24567138), (12, 20472615), (15, 16378092), (18, 13648410), (20, 12283569), (27, 9098940), (30, 8189046), (36, 6824205), (45, 5459364), (54, 4549470), (60, 4094523), (81, 3032980), (90, 2729682), (108, 2274735), (135, 1819788), (139, 1767420), (162, 1516490), (180, 1364841), (270, 909894), (278, 883710), (324, 758245), (405, 606596), (417, 589140), (540, 454947), (556, 441855), (695, 353484), (810, 303298), (834, 294570), (1091, 225180), (1251, 196380), (1390, 176742), (1620, 151649), (1668, 147285), (2085, 117828), (2182, 112590), (2502, 98190), (2780, 88371), (3273, 75060), (3753, 65460), (4170, 58914), (4364, 56295), (5004, 49095), (5455, 45036), (6255, 39276), (6546, 37530), (7506, 32730), (8340, 29457), (9819, 25020), (10910, 22518), (11259, 21820), (12510, 19638), (13092, 18765), (15012, 16365)]