1561447440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{309811}}^1$

素因数の和:309837

約数の個数: 120

約数和(自身を含む): 5993003328

約数和(自身を除く): 4431555888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 309811, 619622, 929433, 1239244, 1549055, 1858866, 2168677, 2478488, 2788299, 3098110, 3717732, 4337354, 4647165, 4956976, 5576598, 6196220, 6506031, 7435464, 8674708, 9294330, 10843385, 11153196, 12392440, 13012062, 13941495, 14870928, 17349416, 18588660, 19518093, 21686770, 22306392, 24784880, 26024124, 27882990, 32530155, 34698832, 37177320, 39036186, 43373540, 44612784, 52048248, 55765980, 65060310, 74354640, 78072372, 86747080, 97590465, 104096496, 111531960, 130120620, 156144744, 173494160, 195180930, 223063920, 260241240, 312289488, 390361860, 520482480, 780723720, 1561447440]

約数ペア:

[(1, 1561447440), (2, 780723720), (3, 520482480), (4, 390361860), (5, 312289488), (6, 260241240), (7, 223063920), (8, 195180930), (9, 173494160), (10, 156144744), (12, 130120620), (14, 111531960), (15, 104096496), (16, 97590465), (18, 86747080), (20, 78072372), (21, 74354640), (24, 65060310), (28, 55765980), (30, 52048248), (35, 44612784), (36, 43373540), (40, 39036186), (42, 37177320), (45, 34698832), (48, 32530155), (56, 27882990), (60, 26024124), (63, 24784880), (70, 22306392), (72, 21686770), (80, 19518093), (84, 18588660), (90, 17349416), (105, 14870928), (112, 13941495), (120, 13012062), (126, 12392440), (140, 11153196), (144, 10843385), (168, 9294330), (180, 8674708), (210, 7435464), (240, 6506031), (252, 6196220), (280, 5576598), (315, 4956976), (336, 4647165), (360, 4337354), (420, 3717732), (504, 3098110), (560, 2788299), (630, 2478488), (720, 2168677), (840, 1858866), (1008, 1549055), (1260, 1239244), (1680, 929433), (2520, 619622), (5040, 309811)]