1240920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{383}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 4181760

約数和(自身を除く): 2940840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 383, 405, 540, 648, 766, 810, 1080, 1149, 1532, 1620, 1915, 2298, 3064, 3240, 3447, 3830, 4596, 5745, 6894, 7660, 9192, 10341, 11490, 13788, 15320, 17235, 20682, 22980, 27576, 31023, 34470, 41364, 45960, 51705, 62046, 68940, 82728, 103410, 124092, 137880, 155115, 206820, 248184, 310230, 413640, 620460, 1240920]

約数ペア:

[(1, 1240920), (2, 620460), (3, 413640), (4, 310230), (5, 248184), (6, 206820), (8, 155115), (9, 137880), (10, 124092), (12, 103410), (15, 82728), (18, 68940), (20, 62046), (24, 51705), (27, 45960), (30, 41364), (36, 34470), (40, 31023), (45, 27576), (54, 22980), (60, 20682), (72, 17235), (81, 15320), (90, 13788), (108, 11490), (120, 10341), (135, 9192), (162, 7660), (180, 6894), (216, 5745), (270, 4596), (324, 3830), (360, 3447), (383, 3240), (405, 3064), (540, 2298), (648, 1915), (766, 1620), (810, 1532), (1080, 1149)]