78142320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 200

約数和(自身を含む): 280874880

約数和(自身を除く): 202732560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 389, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 778, 810, 837, 930, 1080, 1116, 1167, 1240, 1296, 1395, 1488, 1556, 1620, 1674, 1860, 1945, 2160, 2232, 2334, 2480, 2511, 2790, 3112, 3240, 3348, 3501, 3720, 3890, 4185, 4464, 4668, 5022, 5580, 5835, 6224, 6480, 6696, 7002, 7440, 7780, 8370, 9336, 10044, 10503, 11160, 11670, 12059, 12555, 13392, 14004, 15560, 16740, 17505, 18672, 20088, 21006, 22320, 23340, 24118, 25110, 28008, 31120, 31509, 33480, 35010, 36177, 40176, 42012, 46680, 48236, 50220, 52515, 56016, 60295, 63018, 66960, 70020, 72354, 84024, 93360, 96472, 100440, 105030, 108531, 120590, 126036, 140040, 144708, 157545, 168048, 180885, 192944, 200880, 210060, 217062, 241180, 252072, 280080, 289416, 315090, 325593, 361770, 420120, 434124, 482360, 504144, 542655, 578832, 630180, 651186, 723540, 840240, 868248, 964720, 976779, 1085310, 1260360, 1302372, 1447080, 1627965, 1736496, 1953558, 2170620, 2520720, 2604744, 2894160, 3255930, 3907116, 4341240, 4883895, 5209488, 6511860, 7814232, 8682480, 9767790, 13023720, 15628464, 19535580, 26047440, 39071160, 78142320]

約数ペア:

[(1, 78142320), (2, 39071160), (3, 26047440), (4, 19535580), (5, 15628464), (6, 13023720), (8, 9767790), (9, 8682480), (10, 7814232), (12, 6511860), (15, 5209488), (16, 4883895), (18, 4341240), (20, 3907116), (24, 3255930), (27, 2894160), (30, 2604744), (31, 2520720), (36, 2170620), (40, 1953558), (45, 1736496), (48, 1627965), (54, 1447080), (60, 1302372), (62, 1260360), (72, 1085310), (80, 976779), (81, 964720), (90, 868248), (93, 840240), (108, 723540), (120, 651186), (124, 630180), (135, 578832), (144, 542655), (155, 504144), (162, 482360), (180, 434124), (186, 420120), (216, 361770), (240, 325593), (248, 315090), (270, 289416), (279, 280080), (310, 252072), (324, 241180), (360, 217062), (372, 210060), (389, 200880), (405, 192944), (432, 180885), (465, 168048), (496, 157545), (540, 144708), (558, 140040), (620, 126036), (648, 120590), (720, 108531), (744, 105030), (778, 100440), (810, 96472), (837, 93360), (930, 84024), (1080, 72354), (1116, 70020), (1167, 66960), (1240, 63018), (1296, 60295), (1395, 56016), (1488, 52515), (1556, 50220), (1620, 48236), (1674, 46680), (1860, 42012), (1945, 40176), (2160, 36177), (2232, 35010), (2334, 33480), (2480, 31509), (2511, 31120), (2790, 28008), (3112, 25110), (3240, 24118), (3348, 23340), (3501, 22320), (3720, 21006), (3890, 20088), (4185, 18672), (4464, 17505), (4668, 16740), (5022, 15560), (5580, 14004), (5835, 13392), (6224, 12555), (6480, 12059), (6696, 11670), (7002, 11160), (7440, 10503), (7780, 10044), (8370, 9336)]