643640256

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{17737}}^1$

素因数の和:17768

約数の個数: 140

約数和(自身を含む): 2180638768

約数和(自身を除く): 1536998512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2268, 2592, 3024, 4032, 4536, 5184, 6048, 9072, 12096, 17737, 18144, 35474, 36288, 53211, 70948, 106422, 124159, 141896, 159633, 212844, 248318, 283792, 319266, 372477, 425688, 478899, 496636, 567584, 638532, 744954, 851376, 957798, 993272, 1117431, 1135168, 1277064, 1436697, 1489908, 1702752, 1915596, 1986544, 2234862, 2554128, 2873394, 2979816, 3352293, 3405504, 3831192, 3973088, 4469724, 5108256, 5746788, 5959632, 6704586, 7662384, 7946176, 8939448, 10056879, 10216512, 11493576, 11919264, 13409172, 15324768, 17878896, 20113758, 22987152, 23838528, 26818344, 30649536, 35757792, 40227516, 45974304, 53636688, 71515584, 80455032, 91948608, 107273376, 160910064, 214546752, 321820128, 643640256]

約数ペア:

[(1, 643640256), (2, 321820128), (3, 214546752), (4, 160910064), (6, 107273376), (7, 91948608), (8, 80455032), (9, 71515584), (12, 53636688), (14, 45974304), (16, 40227516), (18, 35757792), (21, 30649536), (24, 26818344), (27, 23838528), (28, 22987152), (32, 20113758), (36, 17878896), (42, 15324768), (48, 13409172), (54, 11919264), (56, 11493576), (63, 10216512), (64, 10056879), (72, 8939448), (81, 7946176), (84, 7662384), (96, 6704586), (108, 5959632), (112, 5746788), (126, 5108256), (144, 4469724), (162, 3973088), (168, 3831192), (189, 3405504), (192, 3352293), (216, 2979816), (224, 2873394), (252, 2554128), (288, 2234862), (324, 1986544), (336, 1915596), (378, 1702752), (432, 1489908), (448, 1436697), (504, 1277064), (567, 1135168), (576, 1117431), (648, 993272), (672, 957798), (756, 851376), (864, 744954), (1008, 638532), (1134, 567584), (1296, 496636), (1344, 478899), (1512, 425688), (1728, 372477), (2016, 319266), (2268, 283792), (2592, 248318), (3024, 212844), (4032, 159633), (4536, 141896), (5184, 124159), (6048, 106422), (9072, 70948), (12096, 53211), (17737, 36288), (18144, 35474)]