51491160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 201600000

約数和(自身を除く): 150108840

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, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 139, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 278, 280, 294, 315, 343, 360, 378, 392, 417, 420, 441, 490, 504, 540, 556, 588, 630, 686, 695, 735, 756, 834, 840, 882, 945, 973, 980, 1029, 1080, 1112, 1176, 1251, 1260, 1323, 1372, 1390, 1470, 1512, 1668, 1715, 1764, 1890, 1946, 1960, 2058, 2085, 2205, 2502, 2520, 2646, 2744, 2780, 2919, 2940, 3087, 3336, 3430, 3528, 3753, 3780, 3892, 4116, 4170, 4410, 4865, 5004, 5145, 5292, 5560, 5838, 5880, 6174, 6255, 6615, 6811, 6860, 7506, 7560, 7784, 8232, 8340, 8757, 8820, 9261, 9730, 10008, 10290, 10584, 11676, 12348, 12510, 13230, 13622, 13720, 14595, 15012, 15435, 16680, 17514, 17640, 18522, 18765, 19460, 20433, 20580, 23352, 24696, 25020, 26271, 26460, 27244, 29190, 30024, 30870, 34055, 35028, 37044, 37530, 38920, 40866, 41160, 43785, 46305, 47677, 50040, 52542, 52920, 54488, 58380, 61299, 61740, 68110, 70056, 74088, 75060, 81732, 87570, 92610, 95354, 102165, 105084, 116760, 122598, 123480, 131355, 136220, 143031, 150120, 163464, 175140, 183897, 185220, 190708, 204330, 210168, 238385, 245196, 262710, 272440, 286062, 306495, 350280, 367794, 370440, 381416, 408660, 429093, 476770, 490392, 525420, 572124, 612990, 715155, 735588, 817320, 858186, 919485, 953540, 1050840, 1144248, 1225980, 1287279, 1430310, 1471176, 1716372, 1838970, 1907080, 2145465, 2451960, 2574558, 2860620, 3432744, 3677940, 4290930, 5149116, 5721240, 6436395, 7355880, 8581860, 10298232, 12872790, 17163720, 25745580, 51491160]

約数ペア:

[(1, 51491160), (2, 25745580), (3, 17163720), (4, 12872790), (5, 10298232), (6, 8581860), (7, 7355880), (8, 6436395), (9, 5721240), (10, 5149116), (12, 4290930), (14, 3677940), (15, 3432744), (18, 2860620), (20, 2574558), (21, 2451960), (24, 2145465), (27, 1907080), (28, 1838970), (30, 1716372), (35, 1471176), (36, 1430310), (40, 1287279), (42, 1225980), (45, 1144248), (49, 1050840), (54, 953540), (56, 919485), (60, 858186), (63, 817320), (70, 735588), (72, 715155), (84, 612990), (90, 572124), (98, 525420), (105, 490392), (108, 476770), (120, 429093), (126, 408660), (135, 381416), (139, 370440), (140, 367794), (147, 350280), (168, 306495), (180, 286062), (189, 272440), (196, 262710), (210, 245196), (216, 238385), (245, 210168), (252, 204330), (270, 190708), (278, 185220), (280, 183897), (294, 175140), (315, 163464), (343, 150120), (360, 143031), (378, 136220), (392, 131355), (417, 123480), (420, 122598), (441, 116760), (490, 105084), (504, 102165), (540, 95354), (556, 92610), (588, 87570), (630, 81732), (686, 75060), (695, 74088), (735, 70056), (756, 68110), (834, 61740), (840, 61299), (882, 58380), (945, 54488), (973, 52920), (980, 52542), (1029, 50040), (1080, 47677), (1112, 46305), (1176, 43785), (1251, 41160), (1260, 40866), (1323, 38920), (1372, 37530), (1390, 37044), (1470, 35028), (1512, 34055), (1668, 30870), (1715, 30024), (1764, 29190), (1890, 27244), (1946, 26460), (1960, 26271), (2058, 25020), (2085, 24696), (2205, 23352), (2502, 20580), (2520, 20433), (2646, 19460), (2744, 18765), (2780, 18522), (2919, 17640), (2940, 17514), (3087, 16680), (3336, 15435), (3430, 15012), (3528, 14595), (3753, 13720), (3780, 13622), (3892, 13230), (4116, 12510), (4170, 12348), (4410, 11676), (4865, 10584), (5004, 10290), (5145, 10008), (5292, 9730), (5560, 9261), (5838, 8820), (5880, 8757), (6174, 8340), (6255, 8232), (6615, 7784), (6811, 7560), (6860, 7506)]