621018720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61609}}^1$

素因数の和:61637

約数の個数: 144

約数和(自身を含む): 2422012320

約数和(自身を除く): 1800993600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 61609, 123218, 184827, 246436, 308045, 369654, 431263, 492872, 554481, 616090, 739308, 862526, 924135, 985744, 1108962, 1232180, 1293789, 1478616, 1725052, 1848270, 1971488, 2156315, 2217924, 2464360, 2587578, 2772405, 2957232, 3450104, 3696540, 3881367, 4312630, 4435848, 4928720, 5175156, 5544810, 5914464, 6468945, 6900208, 7393080, 7762734, 8625260, 8871696, 9857440, 10350312, 11089620, 12937890, 13800416, 14786160, 15525468, 17250520, 17743392, 19406835, 20700624, 22179240, 25875780, 29572320, 31050936, 34501040, 38813670, 41401248, 44358480, 51751560, 62101872, 69002080, 77627340, 88716960, 103503120, 124203744, 155254680, 207006240, 310509360, 621018720]

約数ペア:

[(1, 621018720), (2, 310509360), (3, 207006240), (4, 155254680), (5, 124203744), (6, 103503120), (7, 88716960), (8, 77627340), (9, 69002080), (10, 62101872), (12, 51751560), (14, 44358480), (15, 41401248), (16, 38813670), (18, 34501040), (20, 31050936), (21, 29572320), (24, 25875780), (28, 22179240), (30, 20700624), (32, 19406835), (35, 17743392), (36, 17250520), (40, 15525468), (42, 14786160), (45, 13800416), (48, 12937890), (56, 11089620), (60, 10350312), (63, 9857440), (70, 8871696), (72, 8625260), (80, 7762734), (84, 7393080), (90, 6900208), (96, 6468945), (105, 5914464), (112, 5544810), (120, 5175156), (126, 4928720), (140, 4435848), (144, 4312630), (160, 3881367), (168, 3696540), (180, 3450104), (210, 2957232), (224, 2772405), (240, 2587578), (252, 2464360), (280, 2217924), (288, 2156315), (315, 1971488), (336, 1848270), (360, 1725052), (420, 1478616), (480, 1293789), (504, 1232180), (560, 1108962), (630, 985744), (672, 924135), (720, 862526), (840, 739308), (1008, 616090), (1120, 554481), (1260, 492872), (1440, 431263), (1680, 369654), (2016, 308045), (2520, 246436), (3360, 184827), (5040, 123218), (10080, 61609)]