128856672

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 216

約数和(自身を含む): 445916016

約数和(自身を除く): 317059344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 92, 96, 98, 112, 126, 138, 144, 147, 161, 168, 184, 196, 207, 224, 252, 276, 288, 294, 322, 336, 368, 392, 397, 414, 441, 483, 504, 552, 588, 644, 672, 736, 784, 794, 828, 882, 966, 1008, 1104, 1127, 1176, 1191, 1288, 1449, 1568, 1588, 1656, 1764, 1932, 2016, 2208, 2254, 2352, 2382, 2576, 2779, 2898, 3176, 3312, 3381, 3528, 3573, 3864, 4508, 4704, 4764, 5152, 5558, 5796, 6352, 6624, 6762, 7056, 7146, 7728, 8337, 9016, 9131, 9528, 10143, 11116, 11592, 12704, 13524, 14112, 14292, 15456, 16674, 18032, 18262, 19056, 19453, 20286, 22232, 23184, 25011, 27048, 27393, 28584, 33348, 36064, 36524, 38112, 38906, 40572, 44464, 46368, 50022, 54096, 54786, 57168, 58359, 63917, 66696, 73048, 77812, 81144, 82179, 88928, 100044, 108192, 109572, 114336, 116718, 127834, 133392, 146096, 155624, 162288, 164358, 175077, 191751, 200088, 219144, 233436, 255668, 266784, 292192, 311248, 324576, 328716, 350154, 383502, 400176, 438288, 447419, 466872, 511336, 575253, 622496, 657432, 700308, 767004, 800352, 876576, 894838, 933744, 1022672, 1150506, 1314864, 1342257, 1400616, 1534008, 1789676, 1867488, 2045344, 2301012, 2629728, 2684514, 2801232, 3068016, 3579352, 4026771, 4602024, 5369028, 5602464, 6136032, 7158704, 8053542, 9204048, 10738056, 14317408, 16107084, 18408096, 21476112, 32214168, 42952224, 64428336, 128856672]

約数ペア:

[(1, 128856672), (2, 64428336), (3, 42952224), (4, 32214168), (6, 21476112), (7, 18408096), (8, 16107084), (9, 14317408), (12, 10738056), (14, 9204048), (16, 8053542), (18, 7158704), (21, 6136032), (23, 5602464), (24, 5369028), (28, 4602024), (32, 4026771), (36, 3579352), (42, 3068016), (46, 2801232), (48, 2684514), (49, 2629728), (56, 2301012), (63, 2045344), (69, 1867488), (72, 1789676), (84, 1534008), (92, 1400616), (96, 1342257), (98, 1314864), (112, 1150506), (126, 1022672), (138, 933744), (144, 894838), (147, 876576), (161, 800352), (168, 767004), (184, 700308), (196, 657432), (207, 622496), (224, 575253), (252, 511336), (276, 466872), (288, 447419), (294, 438288), (322, 400176), (336, 383502), (368, 350154), (392, 328716), (397, 324576), (414, 311248), (441, 292192), (483, 266784), (504, 255668), (552, 233436), (588, 219144), (644, 200088), (672, 191751), (736, 175077), (784, 164358), (794, 162288), (828, 155624), (882, 146096), (966, 133392), (1008, 127834), (1104, 116718), (1127, 114336), (1176, 109572), (1191, 108192), (1288, 100044), (1449, 88928), (1568, 82179), (1588, 81144), (1656, 77812), (1764, 73048), (1932, 66696), (2016, 63917), (2208, 58359), (2254, 57168), (2352, 54786), (2382, 54096), (2576, 50022), (2779, 46368), (2898, 44464), (3176, 40572), (3312, 38906), (3381, 38112), (3528, 36524), (3573, 36064), (3864, 33348), (4508, 28584), (4704, 27393), (4764, 27048), (5152, 25011), (5558, 23184), (5796, 22232), (6352, 20286), (6624, 19453), (6762, 19056), (7056, 18262), (7146, 18032), (7728, 16674), (8337, 15456), (9016, 14292), (9131, 14112), (9528, 13524), (10143, 12704), (11116, 11592)]