212931840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 752469984

約数和(自身を除く): 539538144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 71, 80, 88, 96, 110, 120, 128, 132, 142, 160, 165, 176, 192, 213, 220, 240, 256, 264, 284, 320, 330, 352, 355, 384, 426, 440, 480, 528, 568, 640, 660, 704, 710, 768, 781, 852, 880, 960, 1056, 1065, 1136, 1280, 1320, 1408, 1420, 1562, 1704, 1760, 1920, 2112, 2130, 2272, 2343, 2640, 2816, 2840, 3124, 3408, 3520, 3840, 3905, 4224, 4260, 4544, 4686, 5041, 5280, 5680, 6248, 6816, 7040, 7810, 8448, 8520, 9088, 9372, 10082, 10560, 11360, 11715, 12496, 13632, 14080, 15123, 15620, 17040, 18176, 18744, 20164, 21120, 22720, 23430, 24992, 25205, 27264, 30246, 31240, 34080, 37488, 40328, 42240, 45440, 46860, 49984, 50410, 54528, 55451, 60492, 62480, 68160, 74976, 75615, 80656, 90880, 93720, 99968, 100820, 110902, 120984, 124960, 136320, 149952, 151230, 161312, 166353, 187440, 199936, 201640, 221804, 241968, 249920, 272640, 277255, 299904, 302460, 322624, 332706, 374880, 403280, 443608, 483936, 499840, 554510, 599808, 604920, 645248, 665412, 749760, 806560, 831765, 887216, 967872, 999680, 1109020, 1209840, 1290496, 1330824, 1499520, 1613120, 1663530, 1774432, 1935744, 2218040, 2419680, 2661648, 2999040, 3226240, 3327060, 3548864, 3871488, 4436080, 4839360, 5323296, 6452480, 6654120, 7097728, 8872160, 9678720, 10646592, 13308240, 14195456, 17744320, 19357440, 21293184, 26616480, 35488640, 42586368, 53232960, 70977280, 106465920, 212931840]

約数ペア:

[(1, 212931840), (2, 106465920), (3, 70977280), (4, 53232960), (5, 42586368), (6, 35488640), (8, 26616480), (10, 21293184), (11, 19357440), (12, 17744320), (15, 14195456), (16, 13308240), (20, 10646592), (22, 9678720), (24, 8872160), (30, 7097728), (32, 6654120), (33, 6452480), (40, 5323296), (44, 4839360), (48, 4436080), (55, 3871488), (60, 3548864), (64, 3327060), (66, 3226240), (71, 2999040), (80, 2661648), (88, 2419680), (96, 2218040), (110, 1935744), (120, 1774432), (128, 1663530), (132, 1613120), (142, 1499520), (160, 1330824), (165, 1290496), (176, 1209840), (192, 1109020), (213, 999680), (220, 967872), (240, 887216), (256, 831765), (264, 806560), (284, 749760), (320, 665412), (330, 645248), (352, 604920), (355, 599808), (384, 554510), (426, 499840), (440, 483936), (480, 443608), (528, 403280), (568, 374880), (640, 332706), (660, 322624), (704, 302460), (710, 299904), (768, 277255), (781, 272640), (852, 249920), (880, 241968), (960, 221804), (1056, 201640), (1065, 199936), (1136, 187440), (1280, 166353), (1320, 161312), (1408, 151230), (1420, 149952), (1562, 136320), (1704, 124960), (1760, 120984), (1920, 110902), (2112, 100820), (2130, 99968), (2272, 93720), (2343, 90880), (2640, 80656), (2816, 75615), (2840, 74976), (3124, 68160), (3408, 62480), (3520, 60492), (3840, 55451), (3905, 54528), (4224, 50410), (4260, 49984), (4544, 46860), (4686, 45440), (5041, 42240), (5280, 40328), (5680, 37488), (6248, 34080), (6816, 31240), (7040, 30246), (7810, 27264), (8448, 25205), (8520, 24992), (9088, 23430), (9372, 22720), (10082, 21120), (10560, 20164), (11360, 18744), (11715, 18176), (12496, 17040), (13632, 15620), (14080, 15123)]