81985488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 242234496

約数和(自身を除く): 160249008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 53, 67, 74, 78, 104, 106, 111, 134, 148, 156, 159, 201, 208, 212, 222, 268, 296, 312, 318, 402, 424, 444, 481, 536, 592, 624, 636, 689, 804, 848, 871, 888, 962, 1072, 1272, 1378, 1443, 1608, 1742, 1776, 1924, 1961, 2067, 2479, 2544, 2613, 2756, 2886, 3216, 3484, 3551, 3848, 3922, 4134, 4958, 5226, 5512, 5772, 5883, 6968, 7102, 7437, 7696, 7844, 8268, 9916, 10452, 10653, 11024, 11544, 11766, 13936, 14204, 14874, 15688, 16536, 19832, 20904, 21306, 23088, 23532, 25493, 28408, 29748, 31376, 32227, 33072, 39664, 41808, 42612, 46163, 47064, 50986, 56816, 59496, 64454, 76479, 85224, 92326, 94128, 96681, 101972, 118992, 128908, 131387, 138489, 152958, 170448, 184652, 193362, 203944, 257816, 262774, 276978, 305916, 369304, 386724, 394161, 407888, 515632, 525548, 553956, 611832, 738608, 773448, 788322, 1051096, 1107912, 1223664, 1546896, 1576644, 1708031, 2102192, 2215824, 3153288, 3416062, 5124093, 6306576, 6832124, 10248186, 13664248, 20496372, 27328496, 40992744, 81985488]

約数ペア:

[(1, 81985488), (2, 40992744), (3, 27328496), (4, 20496372), (6, 13664248), (8, 10248186), (12, 6832124), (13, 6306576), (16, 5124093), (24, 3416062), (26, 3153288), (37, 2215824), (39, 2102192), (48, 1708031), (52, 1576644), (53, 1546896), (67, 1223664), (74, 1107912), (78, 1051096), (104, 788322), (106, 773448), (111, 738608), (134, 611832), (148, 553956), (156, 525548), (159, 515632), (201, 407888), (208, 394161), (212, 386724), (222, 369304), (268, 305916), (296, 276978), (312, 262774), (318, 257816), (402, 203944), (424, 193362), (444, 184652), (481, 170448), (536, 152958), (592, 138489), (624, 131387), (636, 128908), (689, 118992), (804, 101972), (848, 96681), (871, 94128), (888, 92326), (962, 85224), (1072, 76479), (1272, 64454), (1378, 59496), (1443, 56816), (1608, 50986), (1742, 47064), (1776, 46163), (1924, 42612), (1961, 41808), (2067, 39664), (2479, 33072), (2544, 32227), (2613, 31376), (2756, 29748), (2886, 28408), (3216, 25493), (3484, 23532), (3551, 23088), (3848, 21306), (3922, 20904), (4134, 19832), (4958, 16536), (5226, 15688), (5512, 14874), (5772, 14204), (5883, 13936), (6968, 11766), (7102, 11544), (7437, 11024), (7696, 10653), (7844, 10452), (8268, 9916)]