80219160

素因数分解:

$2^3\times 3^7\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 311731200

約数和(自身を除く): 231512040

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, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 131, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 262, 270, 280, 315, 324, 360, 378, 393, 405, 420, 486, 504, 524, 540, 567, 630, 648, 655, 729, 756, 786, 810, 840, 917, 945, 972, 1048, 1080, 1134, 1179, 1215, 1260, 1310, 1458, 1512, 1572, 1620, 1701, 1834, 1890, 1944, 1965, 2187, 2268, 2358, 2430, 2520, 2620, 2751, 2835, 2916, 3144, 3240, 3402, 3537, 3645, 3668, 3780, 3930, 4374, 4536, 4585, 4716, 4860, 5103, 5240, 5502, 5670, 5832, 5895, 6804, 7074, 7290, 7336, 7560, 7860, 8253, 8505, 8748, 9170, 9432, 9720, 10206, 10611, 10935, 11004, 11340, 11790, 13608, 13755, 14148, 14580, 15309, 15720, 16506, 17010, 17496, 17685, 18340, 20412, 21222, 21870, 22008, 22680, 23580, 24759, 25515, 27510, 28296, 29160, 30618, 31833, 33012, 34020, 35370, 36680, 40824, 41265, 42444, 43740, 47160, 49518, 51030, 53055, 55020, 61236, 63666, 66024, 68040, 70740, 74277, 76545, 82530, 84888, 87480, 95499, 99036, 102060, 106110, 110040, 122472, 123795, 127332, 141480, 148554, 153090, 159165, 165060, 190998, 198072, 204120, 212220, 222831, 247590, 254664, 286497, 297108, 306180, 318330, 330120, 371385, 381996, 424440, 445662, 477495, 495180, 572994, 594216, 612360, 636660, 668493, 742770, 763992, 891324, 954990, 990360, 1114155, 1145988, 1273320, 1336986, 1432485, 1485540, 1782648, 1909980, 2005479, 2228310, 2291976, 2673972, 2864970, 2971080, 3342465, 3819960, 4010958, 4456620, 5347944, 5729940, 6684930, 8021916, 8913240, 10027395, 11459880, 13369860, 16043832, 20054790, 26739720, 40109580, 80219160]

約数ペア:

[(1, 80219160), (2, 40109580), (3, 26739720), (4, 20054790), (5, 16043832), (6, 13369860), (7, 11459880), (8, 10027395), (9, 8913240), (10, 8021916), (12, 6684930), (14, 5729940), (15, 5347944), (18, 4456620), (20, 4010958), (21, 3819960), (24, 3342465), (27, 2971080), (28, 2864970), (30, 2673972), (35, 2291976), (36, 2228310), (40, 2005479), (42, 1909980), (45, 1782648), (54, 1485540), (56, 1432485), (60, 1336986), (63, 1273320), (70, 1145988), (72, 1114155), (81, 990360), (84, 954990), (90, 891324), (105, 763992), (108, 742770), (120, 668493), (126, 636660), (131, 612360), (135, 594216), (140, 572994), (162, 495180), (168, 477495), (180, 445662), (189, 424440), (210, 381996), (216, 371385), (243, 330120), (252, 318330), (262, 306180), (270, 297108), (280, 286497), (315, 254664), (324, 247590), (360, 222831), (378, 212220), (393, 204120), (405, 198072), (420, 190998), (486, 165060), (504, 159165), (524, 153090), (540, 148554), (567, 141480), (630, 127332), (648, 123795), (655, 122472), (729, 110040), (756, 106110), (786, 102060), (810, 99036), (840, 95499), (917, 87480), (945, 84888), (972, 82530), (1048, 76545), (1080, 74277), (1134, 70740), (1179, 68040), (1215, 66024), (1260, 63666), (1310, 61236), (1458, 55020), (1512, 53055), (1572, 51030), (1620, 49518), (1701, 47160), (1834, 43740), (1890, 42444), (1944, 41265), (1965, 40824), (2187, 36680), (2268, 35370), (2358, 34020), (2430, 33012), (2520, 31833), (2620, 30618), (2751, 29160), (2835, 28296), (2916, 27510), (3144, 25515), (3240, 24759), (3402, 23580), (3537, 22680), (3645, 22008), (3668, 21870), (3780, 21222), (3930, 20412), (4374, 18340), (4536, 17685), (4585, 17496), (4716, 17010), (4860, 16506), (5103, 15720), (5240, 15309), (5502, 14580), (5670, 14148), (5832, 13755), (5895, 13608), (6804, 11790), (7074, 11340), (7290, 11004), (7336, 10935), (7560, 10611), (7860, 10206), (8253, 9720), (8505, 9432), (8748, 9170)]