19685400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 72019200

約数和(自身を除く): 52333800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 43, 50, 56, 60, 70, 75, 84, 86, 100, 105, 109, 120, 129, 140, 150, 168, 172, 175, 200, 210, 215, 218, 258, 280, 300, 301, 327, 344, 350, 420, 430, 436, 516, 525, 545, 600, 602, 645, 654, 700, 763, 840, 860, 872, 903, 1032, 1050, 1075, 1090, 1204, 1290, 1308, 1400, 1505, 1526, 1635, 1720, 1806, 2100, 2150, 2180, 2289, 2408, 2580, 2616, 2725, 3010, 3052, 3225, 3270, 3612, 3815, 4200, 4300, 4360, 4515, 4578, 4687, 5160, 5450, 6020, 6104, 6450, 6540, 7224, 7525, 7630, 8175, 8600, 9030, 9156, 9374, 10900, 11445, 12040, 12900, 13080, 14061, 15050, 15260, 16350, 18060, 18312, 18748, 19075, 21800, 22575, 22890, 23435, 25800, 28122, 30100, 30520, 32700, 32809, 36120, 37496, 38150, 45150, 45780, 46870, 56244, 57225, 60200, 65400, 65618, 70305, 76300, 90300, 91560, 93740, 98427, 112488, 114450, 117175, 131236, 140610, 152600, 164045, 180600, 187480, 196854, 228900, 234350, 262472, 281220, 328090, 351525, 393708, 457800, 468700, 492135, 562440, 656180, 703050, 787416, 820225, 937400, 984270, 1312360, 1406100, 1640450, 1968540, 2460675, 2812200, 3280900, 3937080, 4921350, 6561800, 9842700, 19685400]

約数ペア:

[(1, 19685400), (2, 9842700), (3, 6561800), (4, 4921350), (5, 3937080), (6, 3280900), (7, 2812200), (8, 2460675), (10, 1968540), (12, 1640450), (14, 1406100), (15, 1312360), (20, 984270), (21, 937400), (24, 820225), (25, 787416), (28, 703050), (30, 656180), (35, 562440), (40, 492135), (42, 468700), (43, 457800), (50, 393708), (56, 351525), (60, 328090), (70, 281220), (75, 262472), (84, 234350), (86, 228900), (100, 196854), (105, 187480), (109, 180600), (120, 164045), (129, 152600), (140, 140610), (150, 131236), (168, 117175), (172, 114450), (175, 112488), (200, 98427), (210, 93740), (215, 91560), (218, 90300), (258, 76300), (280, 70305), (300, 65618), (301, 65400), (327, 60200), (344, 57225), (350, 56244), (420, 46870), (430, 45780), (436, 45150), (516, 38150), (525, 37496), (545, 36120), (600, 32809), (602, 32700), (645, 30520), (654, 30100), (700, 28122), (763, 25800), (840, 23435), (860, 22890), (872, 22575), (903, 21800), (1032, 19075), (1050, 18748), (1075, 18312), (1090, 18060), (1204, 16350), (1290, 15260), (1308, 15050), (1400, 14061), (1505, 13080), (1526, 12900), (1635, 12040), (1720, 11445), (1806, 10900), (2100, 9374), (2150, 9156), (2180, 9030), (2289, 8600), (2408, 8175), (2580, 7630), (2616, 7525), (2725, 7224), (3010, 6540), (3052, 6450), (3225, 6104), (3270, 6020), (3612, 5450), (3815, 5160), (4200, 4687), (4300, 4578), (4360, 4515)]