640635744

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:453

約数の個数: 192

約数和(自身を含む): 2025354240

約数和(自身を除く): 1384718496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 138, 161, 168, 181, 184, 224, 229, 276, 322, 336, 362, 368, 458, 483, 543, 552, 644, 672, 687, 724, 736, 916, 966, 1086, 1104, 1267, 1288, 1374, 1448, 1603, 1832, 1932, 2172, 2208, 2534, 2576, 2748, 2896, 3206, 3664, 3801, 3864, 4163, 4344, 4809, 5068, 5152, 5267, 5496, 5792, 6412, 7328, 7602, 7728, 8326, 8688, 9618, 10136, 10534, 10992, 12489, 12824, 15204, 15456, 15801, 16652, 17376, 19236, 20272, 21068, 21984, 24978, 25648, 29141, 30408, 31602, 33304, 36869, 38472, 40544, 41449, 42136, 49956, 51296, 58282, 60816, 63204, 66608, 73738, 76944, 82898, 84272, 87423, 99912, 110607, 116564, 121632, 124347, 126408, 133216, 147476, 153888, 165796, 168544, 174846, 199824, 221214, 233128, 248694, 252816, 290143, 294952, 331592, 349692, 399648, 442428, 466256, 497388, 505632, 580286, 589904, 663184, 699384, 870429, 884856, 932512, 953327, 994776, 1160572, 1179808, 1326368, 1398768, 1740858, 1769712, 1906654, 1989552, 2321144, 2797536, 2859981, 3481716, 3539424, 3813308, 3979104, 4642288, 5719962, 6673289, 6963432, 7626616, 9284576, 11439924, 13346578, 13926864, 15253232, 20019867, 22879848, 26693156, 27853728, 30506464, 40039734, 45759696, 53386312, 80079468, 91519392, 106772624, 160158936, 213545248, 320317872, 640635744]

約数ペア:

[(1, 640635744), (2, 320317872), (3, 213545248), (4, 160158936), (6, 106772624), (7, 91519392), (8, 80079468), (12, 53386312), (14, 45759696), (16, 40039734), (21, 30506464), (23, 27853728), (24, 26693156), (28, 22879848), (32, 20019867), (42, 15253232), (46, 13926864), (48, 13346578), (56, 11439924), (69, 9284576), (84, 7626616), (92, 6963432), (96, 6673289), (112, 5719962), (138, 4642288), (161, 3979104), (168, 3813308), (181, 3539424), (184, 3481716), (224, 2859981), (229, 2797536), (276, 2321144), (322, 1989552), (336, 1906654), (362, 1769712), (368, 1740858), (458, 1398768), (483, 1326368), (543, 1179808), (552, 1160572), (644, 994776), (672, 953327), (687, 932512), (724, 884856), (736, 870429), (916, 699384), (966, 663184), (1086, 589904), (1104, 580286), (1267, 505632), (1288, 497388), (1374, 466256), (1448, 442428), (1603, 399648), (1832, 349692), (1932, 331592), (2172, 294952), (2208, 290143), (2534, 252816), (2576, 248694), (2748, 233128), (2896, 221214), (3206, 199824), (3664, 174846), (3801, 168544), (3864, 165796), (4163, 153888), (4344, 147476), (4809, 133216), (5068, 126408), (5152, 124347), (5267, 121632), (5496, 116564), (5792, 110607), (6412, 99912), (7328, 87423), (7602, 84272), (7728, 82898), (8326, 76944), (8688, 73738), (9618, 66608), (10136, 63204), (10534, 60816), (10992, 58282), (12489, 51296), (12824, 49956), (15204, 42136), (15456, 41449), (15801, 40544), (16652, 38472), (17376, 36869), (19236, 33304), (20272, 31602), (21068, 30408), (21984, 29141), (24978, 25648)]