281140440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 192

約数和(自身を含む): 991116000

約数和(自身を除く): 709975560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 137, 140, 147, 168, 196, 210, 245, 274, 280, 294, 349, 392, 411, 420, 490, 548, 588, 685, 698, 735, 822, 840, 959, 980, 1047, 1096, 1176, 1370, 1396, 1470, 1644, 1745, 1918, 1960, 2055, 2094, 2443, 2740, 2792, 2877, 2940, 3288, 3490, 3836, 4110, 4188, 4795, 4886, 5235, 5480, 5754, 5880, 6713, 6980, 7329, 7672, 8220, 8376, 9590, 9772, 10470, 11508, 12215, 13426, 13960, 14385, 14658, 16440, 17101, 19180, 19544, 20139, 20940, 23016, 24430, 26852, 28770, 29316, 33565, 34202, 36645, 38360, 40278, 41880, 47813, 48860, 51303, 53704, 57540, 58632, 67130, 68404, 73290, 80556, 85505, 95626, 97720, 100695, 102606, 115080, 134260, 136808, 143439, 146580, 161112, 171010, 191252, 201390, 205212, 239065, 256515, 268520, 286878, 293160, 334691, 342020, 382504, 402780, 410424, 478130, 513030, 573756, 669382, 684040, 717195, 805560, 956260, 1004073, 1026060, 1147512, 1338764, 1434390, 1673455, 1912520, 2008146, 2052120, 2342837, 2677528, 2868780, 3346910, 4016292, 4685674, 5020365, 5737560, 6693820, 7028511, 8032584, 9371348, 10040730, 11714185, 13387640, 14057022, 18742696, 20081460, 23428370, 28114044, 35142555, 40162920, 46856740, 56228088, 70285110, 93713480, 140570220, 281140440]

約数ペア:

[(1, 281140440), (2, 140570220), (3, 93713480), (4, 70285110), (5, 56228088), (6, 46856740), (7, 40162920), (8, 35142555), (10, 28114044), (12, 23428370), (14, 20081460), (15, 18742696), (20, 14057022), (21, 13387640), (24, 11714185), (28, 10040730), (30, 9371348), (35, 8032584), (40, 7028511), (42, 6693820), (49, 5737560), (56, 5020365), (60, 4685674), (70, 4016292), (84, 3346910), (98, 2868780), (105, 2677528), (120, 2342837), (137, 2052120), (140, 2008146), (147, 1912520), (168, 1673455), (196, 1434390), (210, 1338764), (245, 1147512), (274, 1026060), (280, 1004073), (294, 956260), (349, 805560), (392, 717195), (411, 684040), (420, 669382), (490, 573756), (548, 513030), (588, 478130), (685, 410424), (698, 402780), (735, 382504), (822, 342020), (840, 334691), (959, 293160), (980, 286878), (1047, 268520), (1096, 256515), (1176, 239065), (1370, 205212), (1396, 201390), (1470, 191252), (1644, 171010), (1745, 161112), (1918, 146580), (1960, 143439), (2055, 136808), (2094, 134260), (2443, 115080), (2740, 102606), (2792, 100695), (2877, 97720), (2940, 95626), (3288, 85505), (3490, 80556), (3836, 73290), (4110, 68404), (4188, 67130), (4795, 58632), (4886, 57540), (5235, 53704), (5480, 51303), (5754, 48860), (5880, 47813), (6713, 41880), (6980, 40278), (7329, 38360), (7672, 36645), (8220, 34202), (8376, 33565), (9590, 29316), (9772, 28770), (10470, 26852), (11508, 24430), (12215, 23016), (13426, 20940), (13960, 20139), (14385, 19544), (14658, 19180), (16440, 17101)]