81434160

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 211047120

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, 59, 60, 71, 72, 80, 81, 90, 108, 118, 120, 135, 142, 144, 162, 177, 180, 213, 216, 236, 240, 243, 270, 284, 295, 324, 354, 355, 360, 405, 426, 432, 472, 486, 531, 540, 568, 590, 639, 648, 708, 710, 720, 810, 852, 885, 944, 972, 1062, 1065, 1080, 1136, 1180, 1215, 1278, 1296, 1416, 1420, 1593, 1620, 1704, 1770, 1917, 1944, 2124, 2130, 2160, 2360, 2430, 2556, 2655, 2832, 2840, 3186, 3195, 3240, 3408, 3540, 3834, 3888, 4189, 4248, 4260, 4720, 4779, 4860, 5112, 5310, 5680, 5751, 6372, 6390, 6480, 7080, 7668, 7965, 8378, 8496, 8520, 9558, 9585, 9720, 10224, 10620, 11502, 12567, 12744, 12780, 14160, 14337, 15336, 15930, 16756, 17040, 17253, 19116, 19170, 19440, 20945, 21240, 23004, 23895, 25134, 25488, 25560, 28674, 28755, 30672, 31860, 33512, 34506, 37701, 38232, 38340, 41890, 42480, 46008, 47790, 50268, 51120, 57348, 57510, 62835, 63720, 67024, 69012, 71685, 75402, 76464, 76680, 83780, 86265, 92016, 95580, 100536, 113103, 114696, 115020, 125670, 127440, 138024, 143370, 150804, 153360, 167560, 172530, 188505, 191160, 201072, 226206, 229392, 230040, 251340, 276048, 286740, 301608, 335120, 339309, 345060, 377010, 382320, 452412, 460080, 502680, 565515, 573480, 603216, 678618, 690120, 754020, 904824, 1005360, 1017927, 1131030, 1146960, 1357236, 1380240, 1508040, 1696545, 1809648, 2035854, 2262060, 2714472, 3016080, 3393090, 4071708, 4524120, 5089635, 5428944, 6786180, 8143416, 9048240, 10179270, 13572360, 16286832, 20358540, 27144720, 40717080, 81434160]

約数ペア:

[(1, 81434160), (2, 40717080), (3, 27144720), (4, 20358540), (5, 16286832), (6, 13572360), (8, 10179270), (9, 9048240), (10, 8143416), (12, 6786180), (15, 5428944), (16, 5089635), (18, 4524120), (20, 4071708), (24, 3393090), (27, 3016080), (30, 2714472), (36, 2262060), (40, 2035854), (45, 1809648), (48, 1696545), (54, 1508040), (59, 1380240), (60, 1357236), (71, 1146960), (72, 1131030), (80, 1017927), (81, 1005360), (90, 904824), (108, 754020), (118, 690120), (120, 678618), (135, 603216), (142, 573480), (144, 565515), (162, 502680), (177, 460080), (180, 452412), (213, 382320), (216, 377010), (236, 345060), (240, 339309), (243, 335120), (270, 301608), (284, 286740), (295, 276048), (324, 251340), (354, 230040), (355, 229392), (360, 226206), (405, 201072), (426, 191160), (432, 188505), (472, 172530), (486, 167560), (531, 153360), (540, 150804), (568, 143370), (590, 138024), (639, 127440), (648, 125670), (708, 115020), (710, 114696), (720, 113103), (810, 100536), (852, 95580), (885, 92016), (944, 86265), (972, 83780), (1062, 76680), (1065, 76464), (1080, 75402), (1136, 71685), (1180, 69012), (1215, 67024), (1278, 63720), (1296, 62835), (1416, 57510), (1420, 57348), (1593, 51120), (1620, 50268), (1704, 47790), (1770, 46008), (1917, 42480), (1944, 41890), (2124, 38340), (2130, 38232), (2160, 37701), (2360, 34506), (2430, 33512), (2556, 31860), (2655, 30672), (2832, 28755), (2840, 28674), (3186, 25560), (3195, 25488), (3240, 25134), (3408, 23895), (3540, 23004), (3834, 21240), (3888, 20945), (4189, 19440), (4248, 19170), (4260, 19116), (4720, 17253), (4779, 17040), (4860, 16756), (5112, 15930), (5310, 15336), (5680, 14337), (5751, 14160), (6372, 12780), (6390, 12744), (6480, 12567), (7080, 11502), (7668, 10620), (7965, 10224), (8378, 9720), (8496, 9585), (8520, 9558)]