13978440

素因数分解:

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

素因数の和:113

約数の個数: 192

約数和(自身を含む): 54518400

約数和(自身を除く): 40539960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 756, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1505, 1512, 1548, 1720, 1806, 1849, 1890, 1935, 2322, 2408, 2520, 2580, 2709, 3010, 3096, 3612, 3698, 3780, 3870, 4515, 4644, 5160, 5418, 5547, 5805, 6020, 7224, 7396, 7560, 7740, 8127, 9030, 9245, 9288, 10836, 11094, 11610, 12040, 12943, 13545, 14792, 15480, 16254, 16641, 18060, 18490, 21672, 22188, 23220, 25886, 27090, 27735, 32508, 33282, 36120, 36980, 38829, 40635, 44376, 46440, 49923, 51772, 54180, 55470, 64715, 65016, 66564, 73960, 77658, 81270, 83205, 99846, 103544, 108360, 110940, 116487, 129430, 133128, 155316, 162540, 166410, 194145, 199692, 221880, 232974, 249615, 258860, 310632, 325080, 332820, 349461, 388290, 399384, 465948, 499230, 517720, 582435, 665640, 698922, 776580, 931896, 998460, 1164870, 1397844, 1553160, 1747305, 1996920, 2329740, 2795688, 3494610, 4659480, 6989220, 13978440]

約数ペア:

[(1, 13978440), (2, 6989220), (3, 4659480), (4, 3494610), (5, 2795688), (6, 2329740), (7, 1996920), (8, 1747305), (9, 1553160), (10, 1397844), (12, 1164870), (14, 998460), (15, 931896), (18, 776580), (20, 698922), (21, 665640), (24, 582435), (27, 517720), (28, 499230), (30, 465948), (35, 399384), (36, 388290), (40, 349461), (42, 332820), (43, 325080), (45, 310632), (54, 258860), (56, 249615), (60, 232974), (63, 221880), (70, 199692), (72, 194145), (84, 166410), (86, 162540), (90, 155316), (105, 133128), (108, 129430), (120, 116487), (126, 110940), (129, 108360), (135, 103544), (140, 99846), (168, 83205), (172, 81270), (180, 77658), (189, 73960), (210, 66564), (215, 65016), (216, 64715), (252, 55470), (258, 54180), (270, 51772), (280, 49923), (301, 46440), (315, 44376), (344, 40635), (360, 38829), (378, 36980), (387, 36120), (420, 33282), (430, 32508), (504, 27735), (516, 27090), (540, 25886), (602, 23220), (630, 22188), (645, 21672), (756, 18490), (774, 18060), (840, 16641), (860, 16254), (903, 15480), (945, 14792), (1032, 13545), (1080, 12943), (1161, 12040), (1204, 11610), (1260, 11094), (1290, 10836), (1505, 9288), (1512, 9245), (1548, 9030), (1720, 8127), (1806, 7740), (1849, 7560), (1890, 7396), (1935, 7224), (2322, 6020), (2408, 5805), (2520, 5547), (2580, 5418), (2709, 5160), (3010, 4644), (3096, 4515), (3612, 3870), (3698, 3780)]