640106208

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:774

約数の個数: 216

約数和(自身を含む): 2152273032

約数和(自身を除く): 1512166824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 67, 72, 84, 96, 98, 112, 126, 134, 144, 147, 168, 196, 201, 224, 252, 268, 288, 294, 336, 392, 402, 441, 469, 504, 536, 588, 603, 672, 677, 784, 804, 882, 938, 1008, 1072, 1176, 1206, 1354, 1407, 1568, 1608, 1764, 1876, 2016, 2031, 2144, 2352, 2412, 2708, 2814, 3216, 3283, 3528, 3752, 4062, 4221, 4704, 4739, 4824, 5416, 5628, 6093, 6432, 6566, 7056, 7504, 8124, 8442, 9478, 9648, 9849, 10832, 11256, 12186, 13132, 14112, 14217, 15008, 16248, 16884, 18956, 19296, 19698, 21664, 22512, 24372, 26264, 28434, 29547, 32496, 33173, 33768, 37912, 39396, 42651, 45024, 45359, 48744, 52528, 56868, 59094, 64992, 66346, 67536, 75824, 78792, 85302, 90718, 97488, 99519, 105056, 113736, 118188, 132692, 135072, 136077, 151648, 157584, 170604, 181436, 194976, 199038, 227472, 236376, 265384, 272154, 298557, 315168, 317513, 341208, 362872, 398076, 408231, 454944, 472752, 530768, 544308, 597114, 635026, 682416, 725744, 796152, 816462, 945504, 952539, 1061536, 1088616, 1194228, 1270052, 1364832, 1451488, 1592304, 1632924, 1905078, 2177232, 2222591, 2388456, 2540104, 2857617, 3184608, 3265848, 3810156, 4354464, 4445182, 4776912, 5080208, 5715234, 6531696, 6667773, 7620312, 8890364, 9553824, 10160416, 11430468, 13063392, 13335546, 15240624, 17780728, 20003319, 22860936, 26671092, 30481248, 35561456, 40006638, 45721872, 53342184, 71122912, 80013276, 91443744, 106684368, 160026552, 213368736, 320053104, 640106208]

約数ペア:

[(1, 640106208), (2, 320053104), (3, 213368736), (4, 160026552), (6, 106684368), (7, 91443744), (8, 80013276), (9, 71122912), (12, 53342184), (14, 45721872), (16, 40006638), (18, 35561456), (21, 30481248), (24, 26671092), (28, 22860936), (32, 20003319), (36, 17780728), (42, 15240624), (48, 13335546), (49, 13063392), (56, 11430468), (63, 10160416), (67, 9553824), (72, 8890364), (84, 7620312), (96, 6667773), (98, 6531696), (112, 5715234), (126, 5080208), (134, 4776912), (144, 4445182), (147, 4354464), (168, 3810156), (196, 3265848), (201, 3184608), (224, 2857617), (252, 2540104), (268, 2388456), (288, 2222591), (294, 2177232), (336, 1905078), (392, 1632924), (402, 1592304), (441, 1451488), (469, 1364832), (504, 1270052), (536, 1194228), (588, 1088616), (603, 1061536), (672, 952539), (677, 945504), (784, 816462), (804, 796152), (882, 725744), (938, 682416), (1008, 635026), (1072, 597114), (1176, 544308), (1206, 530768), (1354, 472752), (1407, 454944), (1568, 408231), (1608, 398076), (1764, 362872), (1876, 341208), (2016, 317513), (2031, 315168), (2144, 298557), (2352, 272154), (2412, 265384), (2708, 236376), (2814, 227472), (3216, 199038), (3283, 194976), (3528, 181436), (3752, 170604), (4062, 157584), (4221, 151648), (4704, 136077), (4739, 135072), (4824, 132692), (5416, 118188), (5628, 113736), (6093, 105056), (6432, 99519), (6566, 97488), (7056, 90718), (7504, 85302), (8124, 78792), (8442, 75824), (9478, 67536), (9648, 66346), (9849, 64992), (10832, 59094), (11256, 56868), (12186, 52528), (13132, 48744), (14112, 45359), (14217, 45024), (15008, 42651), (16248, 39396), (16884, 37912), (18956, 33768), (19296, 33173), (19698, 32496), (21664, 29547), (22512, 28434), (24372, 26264)]