81213840

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 200

約数和(自身を含む): 287356608

約数和(自身を除く): 206142768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 83, 90, 108, 120, 135, 144, 151, 162, 166, 180, 216, 240, 249, 270, 302, 324, 332, 360, 405, 415, 432, 453, 498, 540, 604, 648, 664, 720, 747, 755, 810, 830, 906, 996, 1080, 1208, 1245, 1296, 1328, 1359, 1494, 1510, 1620, 1660, 1812, 1992, 2160, 2241, 2265, 2416, 2490, 2718, 2988, 3020, 3240, 3320, 3624, 3735, 3984, 4077, 4482, 4530, 4980, 5436, 5976, 6040, 6480, 6640, 6723, 6795, 7248, 7470, 8154, 8964, 9060, 9960, 10872, 11205, 11952, 12080, 12231, 12533, 13446, 13590, 14940, 16308, 17928, 18120, 19920, 20385, 21744, 22410, 24462, 25066, 26892, 27180, 29880, 32616, 33615, 35856, 36240, 37599, 40770, 44820, 48924, 50132, 53784, 54360, 59760, 61155, 62665, 65232, 67230, 75198, 81540, 89640, 97848, 100264, 107568, 108720, 112797, 122310, 125330, 134460, 150396, 163080, 179280, 187995, 195696, 200528, 225594, 244620, 250660, 268920, 300792, 326160, 338391, 375990, 451188, 489240, 501320, 537840, 563985, 601584, 676782, 751980, 902376, 978480, 1002640, 1015173, 1127970, 1353564, 1503960, 1691955, 1804752, 2030346, 2255940, 2707128, 3007920, 3383910, 4060692, 4511880, 5075865, 5414256, 6767820, 8121384, 9023760, 10151730, 13535640, 16242768, 20303460, 27071280, 40606920, 81213840]

約数ペア:

[(1, 81213840), (2, 40606920), (3, 27071280), (4, 20303460), (5, 16242768), (6, 13535640), (8, 10151730), (9, 9023760), (10, 8121384), (12, 6767820), (15, 5414256), (16, 5075865), (18, 4511880), (20, 4060692), (24, 3383910), (27, 3007920), (30, 2707128), (36, 2255940), (40, 2030346), (45, 1804752), (48, 1691955), (54, 1503960), (60, 1353564), (72, 1127970), (80, 1015173), (81, 1002640), (83, 978480), (90, 902376), (108, 751980), (120, 676782), (135, 601584), (144, 563985), (151, 537840), (162, 501320), (166, 489240), (180, 451188), (216, 375990), (240, 338391), (249, 326160), (270, 300792), (302, 268920), (324, 250660), (332, 244620), (360, 225594), (405, 200528), (415, 195696), (432, 187995), (453, 179280), (498, 163080), (540, 150396), (604, 134460), (648, 125330), (664, 122310), (720, 112797), (747, 108720), (755, 107568), (810, 100264), (830, 97848), (906, 89640), (996, 81540), (1080, 75198), (1208, 67230), (1245, 65232), (1296, 62665), (1328, 61155), (1359, 59760), (1494, 54360), (1510, 53784), (1620, 50132), (1660, 48924), (1812, 44820), (1992, 40770), (2160, 37599), (2241, 36240), (2265, 35856), (2416, 33615), (2490, 32616), (2718, 29880), (2988, 27180), (3020, 26892), (3240, 25066), (3320, 24462), (3624, 22410), (3735, 21744), (3984, 20385), (4077, 19920), (4482, 18120), (4530, 17928), (4980, 16308), (5436, 14940), (5976, 13590), (6040, 13446), (6480, 12533), (6640, 12231), (6723, 12080), (6795, 11952), (7248, 11205), (7470, 10872), (8154, 9960), (8964, 9060)]