51919920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 197174880

約数和(自身を除く): 145254960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 48, 52, 54, 60, 65, 72, 78, 80, 86, 90, 104, 108, 117, 120, 129, 130, 135, 144, 156, 172, 180, 195, 208, 215, 216, 234, 240, 258, 260, 270, 312, 344, 351, 360, 387, 390, 430, 432, 468, 516, 520, 540, 559, 585, 624, 645, 688, 702, 720, 774, 780, 860, 936, 1032, 1040, 1080, 1118, 1161, 1170, 1290, 1404, 1548, 1560, 1677, 1720, 1755, 1849, 1872, 1935, 2064, 2160, 2236, 2322, 2340, 2580, 2795, 2808, 3096, 3120, 3354, 3440, 3510, 3698, 3870, 4472, 4644, 4680, 5031, 5160, 5547, 5590, 5616, 5805, 6192, 6708, 7020, 7396, 7740, 8385, 8944, 9245, 9288, 9360, 10062, 10320, 11094, 11180, 11610, 13416, 14040, 14792, 15093, 15480, 16641, 16770, 18490, 18576, 20124, 22188, 22360, 23220, 24037, 25155, 26832, 27735, 28080, 29584, 30186, 30960, 33282, 33540, 36980, 40248, 44376, 44720, 46440, 48074, 49923, 50310, 55470, 60372, 66564, 67080, 72111, 73960, 75465, 80496, 83205, 88752, 92880, 96148, 99846, 100620, 110940, 120185, 120744, 133128, 134160, 144222, 147920, 150930, 166410, 192296, 199692, 201240, 216333, 221880, 240370, 241488, 249615, 266256, 288444, 301860, 332820, 360555, 384592, 399384, 402480, 432666, 443760, 480740, 499230, 576888, 603720, 648999, 665640, 721110, 798768, 865332, 961480, 998460, 1081665, 1153776, 1207440, 1297998, 1331280, 1442220, 1730664, 1922960, 1996920, 2163330, 2595996, 2884440, 3244995, 3461328, 3993840, 4326660, 5191992, 5768880, 6489990, 8653320, 10383984, 12979980, 17306640, 25959960, 51919920]

約数ペア:

[(1, 51919920), (2, 25959960), (3, 17306640), (4, 12979980), (5, 10383984), (6, 8653320), (8, 6489990), (9, 5768880), (10, 5191992), (12, 4326660), (13, 3993840), (15, 3461328), (16, 3244995), (18, 2884440), (20, 2595996), (24, 2163330), (26, 1996920), (27, 1922960), (30, 1730664), (36, 1442220), (39, 1331280), (40, 1297998), (43, 1207440), (45, 1153776), (48, 1081665), (52, 998460), (54, 961480), (60, 865332), (65, 798768), (72, 721110), (78, 665640), (80, 648999), (86, 603720), (90, 576888), (104, 499230), (108, 480740), (117, 443760), (120, 432666), (129, 402480), (130, 399384), (135, 384592), (144, 360555), (156, 332820), (172, 301860), (180, 288444), (195, 266256), (208, 249615), (215, 241488), (216, 240370), (234, 221880), (240, 216333), (258, 201240), (260, 199692), (270, 192296), (312, 166410), (344, 150930), (351, 147920), (360, 144222), (387, 134160), (390, 133128), (430, 120744), (432, 120185), (468, 110940), (516, 100620), (520, 99846), (540, 96148), (559, 92880), (585, 88752), (624, 83205), (645, 80496), (688, 75465), (702, 73960), (720, 72111), (774, 67080), (780, 66564), (860, 60372), (936, 55470), (1032, 50310), (1040, 49923), (1080, 48074), (1118, 46440), (1161, 44720), (1170, 44376), (1290, 40248), (1404, 36980), (1548, 33540), (1560, 33282), (1677, 30960), (1720, 30186), (1755, 29584), (1849, 28080), (1872, 27735), (1935, 26832), (2064, 25155), (2160, 24037), (2236, 23220), (2322, 22360), (2340, 22188), (2580, 20124), (2795, 18576), (2808, 18490), (3096, 16770), (3120, 16641), (3354, 15480), (3440, 15093), (3510, 14792), (3698, 14040), (3870, 13416), (4472, 11610), (4644, 11180), (4680, 11094), (5031, 10320), (5160, 10062), (5547, 9360), (5590, 9288), (5616, 9245), (5805, 8944), (6192, 8385), (6708, 7740), (7020, 7396)]