137254880

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 393724800

約数和(自身を除く): 256469920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 61, 70, 80, 82, 98, 112, 122, 140, 160, 164, 196, 205, 224, 244, 245, 280, 287, 305, 328, 343, 392, 410, 427, 488, 490, 560, 574, 610, 656, 686, 784, 820, 854, 976, 980, 1120, 1148, 1220, 1312, 1372, 1435, 1568, 1640, 1708, 1715, 1952, 1960, 2009, 2135, 2296, 2440, 2501, 2744, 2870, 2989, 3280, 3416, 3430, 3920, 4018, 4270, 4592, 4880, 5002, 5488, 5740, 5978, 6560, 6832, 6860, 7840, 8036, 8540, 9184, 9760, 10004, 10045, 10976, 11480, 11956, 12505, 13664, 13720, 14063, 14945, 16072, 17080, 17507, 20008, 20090, 20923, 22960, 23912, 25010, 27440, 28126, 29890, 32144, 34160, 35014, 40016, 40180, 41846, 45920, 47824, 50020, 54880, 56252, 59780, 64288, 68320, 70028, 70315, 80032, 80360, 83692, 87535, 95648, 100040, 104615, 112504, 119560, 122549, 140056, 140630, 160720, 167384, 175070, 200080, 209230, 225008, 239120, 245098, 280112, 281260, 321440, 334768, 350140, 400160, 418460, 450016, 478240, 490196, 560224, 562520, 612745, 669536, 700280, 836920, 857843, 980392, 1125040, 1225490, 1400560, 1673840, 1715686, 1960784, 2250080, 2450980, 2801120, 3347680, 3431372, 3921568, 4289215, 4901960, 6862744, 8578430, 9803920, 13725488, 17156860, 19607840, 27450976, 34313720, 68627440, 137254880]

約数ペア:

[(1, 137254880), (2, 68627440), (4, 34313720), (5, 27450976), (7, 19607840), (8, 17156860), (10, 13725488), (14, 9803920), (16, 8578430), (20, 6862744), (28, 4901960), (32, 4289215), (35, 3921568), (40, 3431372), (41, 3347680), (49, 2801120), (56, 2450980), (61, 2250080), (70, 1960784), (80, 1715686), (82, 1673840), (98, 1400560), (112, 1225490), (122, 1125040), (140, 980392), (160, 857843), (164, 836920), (196, 700280), (205, 669536), (224, 612745), (244, 562520), (245, 560224), (280, 490196), (287, 478240), (305, 450016), (328, 418460), (343, 400160), (392, 350140), (410, 334768), (427, 321440), (488, 281260), (490, 280112), (560, 245098), (574, 239120), (610, 225008), (656, 209230), (686, 200080), (784, 175070), (820, 167384), (854, 160720), (976, 140630), (980, 140056), (1120, 122549), (1148, 119560), (1220, 112504), (1312, 104615), (1372, 100040), (1435, 95648), (1568, 87535), (1640, 83692), (1708, 80360), (1715, 80032), (1952, 70315), (1960, 70028), (2009, 68320), (2135, 64288), (2296, 59780), (2440, 56252), (2501, 54880), (2744, 50020), (2870, 47824), (2989, 45920), (3280, 41846), (3416, 40180), (3430, 40016), (3920, 35014), (4018, 34160), (4270, 32144), (4592, 29890), (4880, 28126), (5002, 27440), (5488, 25010), (5740, 23912), (5978, 22960), (6560, 20923), (6832, 20090), (6860, 20008), (7840, 17507), (8036, 17080), (8540, 16072), (9184, 14945), (9760, 14063), (10004, 13720), (10045, 13664), (10976, 12505), (11480, 11956)]