212719640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 634521600

約数和(自身を除く): 421801960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 29, 34, 35, 40, 46, 56, 58, 67, 68, 70, 85, 92, 115, 116, 119, 134, 136, 140, 145, 161, 170, 184, 203, 230, 232, 238, 268, 280, 290, 322, 335, 340, 391, 406, 460, 469, 476, 493, 536, 580, 595, 644, 667, 670, 680, 782, 805, 812, 920, 938, 952, 986, 1015, 1139, 1160, 1190, 1288, 1334, 1340, 1541, 1564, 1610, 1624, 1876, 1943, 1955, 1972, 2030, 2278, 2345, 2380, 2465, 2668, 2680, 2737, 3082, 3128, 3220, 3335, 3451, 3752, 3886, 3910, 3944, 4060, 4556, 4669, 4690, 4760, 4930, 5336, 5474, 5695, 6164, 6440, 6670, 6902, 7705, 7772, 7820, 7973, 8120, 9112, 9338, 9380, 9715, 9860, 10787, 10948, 11339, 11390, 12328, 13340, 13601, 13685, 13804, 15410, 15544, 15640, 15946, 17255, 18676, 18760, 19430, 19720, 21574, 21896, 22678, 22780, 23345, 26197, 26680, 27202, 27370, 27608, 30820, 31892, 33031, 34510, 37352, 38860, 39865, 43148, 44689, 45356, 45560, 46690, 52394, 53935, 54404, 54740, 56695, 61640, 63784, 66062, 68005, 69020, 77720, 79373, 79730, 86296, 89378, 90712, 93380, 104788, 107870, 108808, 109480, 113390, 130985, 132124, 136010, 138040, 158746, 159460, 165155, 178756, 183379, 186760, 209576, 215740, 223445, 226780, 231217, 261970, 264248, 272020, 312823, 317492, 318920, 330310, 357512, 366758, 396865, 431480, 446890, 453560, 462434, 523940, 544040, 625646, 634984, 660620, 733516, 759713, 793730, 893780, 916895, 924868, 1047880, 1156085, 1251292, 1321240, 1467032, 1519426, 1564115, 1587460, 1787560, 1833790, 1849736, 2312170, 2502584, 3038852, 3128230, 3174920, 3667580, 3798565, 4624340, 5317991, 6077704, 6256460, 7335160, 7597130, 9248680, 10635982, 12512920, 15194260, 21271964, 26589955, 30388520, 42543928, 53179910, 106359820, 212719640]

約数ペア:

[(1, 212719640), (2, 106359820), (4, 53179910), (5, 42543928), (7, 30388520), (8, 26589955), (10, 21271964), (14, 15194260), (17, 12512920), (20, 10635982), (23, 9248680), (28, 7597130), (29, 7335160), (34, 6256460), (35, 6077704), (40, 5317991), (46, 4624340), (56, 3798565), (58, 3667580), (67, 3174920), (68, 3128230), (70, 3038852), (85, 2502584), (92, 2312170), (115, 1849736), (116, 1833790), (119, 1787560), (134, 1587460), (136, 1564115), (140, 1519426), (145, 1467032), (161, 1321240), (170, 1251292), (184, 1156085), (203, 1047880), (230, 924868), (232, 916895), (238, 893780), (268, 793730), (280, 759713), (290, 733516), (322, 660620), (335, 634984), (340, 625646), (391, 544040), (406, 523940), (460, 462434), (469, 453560), (476, 446890), (493, 431480), (536, 396865), (580, 366758), (595, 357512), (644, 330310), (667, 318920), (670, 317492), (680, 312823), (782, 272020), (805, 264248), (812, 261970), (920, 231217), (938, 226780), (952, 223445), (986, 215740), (1015, 209576), (1139, 186760), (1160, 183379), (1190, 178756), (1288, 165155), (1334, 159460), (1340, 158746), (1541, 138040), (1564, 136010), (1610, 132124), (1624, 130985), (1876, 113390), (1943, 109480), (1955, 108808), (1972, 107870), (2030, 104788), (2278, 93380), (2345, 90712), (2380, 89378), (2465, 86296), (2668, 79730), (2680, 79373), (2737, 77720), (3082, 69020), (3128, 68005), (3220, 66062), (3335, 63784), (3451, 61640), (3752, 56695), (3886, 54740), (3910, 54404), (3944, 53935), (4060, 52394), (4556, 46690), (4669, 45560), (4690, 45356), (4760, 44689), (4930, 43148), (5336, 39865), (5474, 38860), (5695, 37352), (6164, 34510), (6440, 33031), (6670, 31892), (6902, 30820), (7705, 27608), (7772, 27370), (7820, 27202), (7973, 26680), (8120, 26197), (9112, 23345), (9338, 22780), (9380, 22678), (9715, 21896), (9860, 21574), (10787, 19720), (10948, 19430), (11339, 18760), (11390, 18676), (12328, 17255), (13340, 15946), (13601, 15640), (13685, 15544), (13804, 15410)]