81343591920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{138283}}^1$

素因数の和:138364

約数の個数: 240

約数和(自身を含む): 294246226560

約数和(自身を除く): 212902634640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 48, 57, 60, 72, 76, 80, 86, 90, 95, 114, 120, 129, 144, 152, 171, 172, 180, 190, 215, 228, 240, 258, 285, 304, 342, 344, 360, 380, 387, 430, 456, 516, 570, 645, 684, 688, 720, 760, 774, 817, 855, 860, 912, 1032, 1140, 1290, 1368, 1520, 1548, 1634, 1710, 1720, 1935, 2064, 2280, 2451, 2580, 2736, 3096, 3268, 3420, 3440, 3870, 4085, 4560, 4902, 5160, 6192, 6536, 6840, 7353, 7740, 8170, 9804, 10320, 12255, 13072, 13680, 14706, 15480, 16340, 19608, 24510, 29412, 30960, 32680, 36765, 39216, 49020, 58824, 65360, 73530, 98040, 117648, 138283, 147060, 196080, 276566, 294120, 414849, 553132, 588240, 691415, 829698, 1106264, 1244547, 1382830, 1659396, 2074245, 2212528, 2489094, 2627377, 2765660, 3318792, 4148490, 4978188, 5254754, 5531320, 5946169, 6222735, 6637584, 7882131, 8296980, 9956376, 10509508, 11062640, 11892338, 12445470, 13136885, 15764262, 16593960, 17838507, 19912752, 21019016, 23646393, 23784676, 24890940, 26273770, 29730845, 31528524, 33187920, 35677014, 39410655, 42038032, 47292786, 47569352, 49781880, 52547540, 53515521, 59461690, 63057048, 71354028, 78821310, 89192535, 94585572, 95138704, 99563760, 105095080, 107031042, 112977211, 118231965, 118923380, 126114096, 142708056, 157642620, 178385070, 189171144, 210190160, 214062084, 225954422, 236463930, 237846760, 267577605, 285416112, 315285240, 338931633, 356770140, 378342288, 428124168, 451908844, 472927860, 475693520, 535155210, 564886055, 630570480, 677863266, 713540280, 856248336, 903817688, 945855720, 1016794899, 1070310420, 1129772110, 1355726532, 1427080560, 1694658165, 1807635376, 1891711440, 2033589798, 2140620840, 2259544220, 2711453064, 3389316330, 4067179596, 4281241680, 4519088440, 5083974495, 5422906128, 6778632660, 8134359192, 9038176880, 10167948990, 13557265320, 16268718384, 20335897980, 27114530640, 40671795960, 81343591920]

約数ペア:

[(1, 81343591920), (2, 40671795960), (3, 27114530640), (4, 20335897980), (5, 16268718384), (6, 13557265320), (8, 10167948990), (9, 9038176880), (10, 8134359192), (12, 6778632660), (15, 5422906128), (16, 5083974495), (18, 4519088440), (19, 4281241680), (20, 4067179596), (24, 3389316330), (30, 2711453064), (36, 2259544220), (38, 2140620840), (40, 2033589798), (43, 1891711440), (45, 1807635376), (48, 1694658165), (57, 1427080560), (60, 1355726532), (72, 1129772110), (76, 1070310420), (80, 1016794899), (86, 945855720), (90, 903817688), (95, 856248336), (114, 713540280), (120, 677863266), (129, 630570480), (144, 564886055), (152, 535155210), (171, 475693520), (172, 472927860), (180, 451908844), (190, 428124168), (215, 378342288), (228, 356770140), (240, 338931633), (258, 315285240), (285, 285416112), (304, 267577605), (342, 237846760), (344, 236463930), (360, 225954422), (380, 214062084), (387, 210190160), (430, 189171144), (456, 178385070), (516, 157642620), (570, 142708056), (645, 126114096), (684, 118923380), (688, 118231965), (720, 112977211), (760, 107031042), (774, 105095080), (817, 99563760), (855, 95138704), (860, 94585572), (912, 89192535), (1032, 78821310), (1140, 71354028), (1290, 63057048), (1368, 59461690), (1520, 53515521), (1548, 52547540), (1634, 49781880), (1710, 47569352), (1720, 47292786), (1935, 42038032), (2064, 39410655), (2280, 35677014), (2451, 33187920), (2580, 31528524), (2736, 29730845), (3096, 26273770), (3268, 24890940), (3420, 23784676), (3440, 23646393), (3870, 21019016), (4085, 19912752), (4560, 17838507), (4902, 16593960), (5160, 15764262), (6192, 13136885), (6536, 12445470), (6840, 11892338), (7353, 11062640), (7740, 10509508), (8170, 9956376), (9804, 8296980), (10320, 7882131), (12255, 6637584), (13072, 6222735), (13680, 5946169), (14706, 5531320), (15480, 5254754), (16340, 4978188), (19608, 4148490), (24510, 3318792), (29412, 2765660), (30960, 2627377), (32680, 2489094), (36765, 2212528), (39216, 2074245), (49020, 1659396), (58824, 1382830), (65360, 1244547), (73530, 1106264), (98040, 829698), (117648, 691415), (138283, 588240), (147060, 553132), (196080, 414849), (276566, 294120)]