320163795

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 691441920

約数和(自身を除く): 371278125

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 59, 63, 69, 105, 107, 115, 147, 161, 177, 207, 245, 295, 315, 321, 345, 413, 441, 483, 531, 535, 735, 749, 805, 885, 963, 1035, 1127, 1239, 1357, 1449, 1605, 2065, 2205, 2247, 2415, 2461, 2655, 2891, 3381, 3717, 3745, 4071, 4815, 5243, 5635, 6195, 6313, 6741, 6785, 7245, 7383, 8673, 9499, 10143, 11235, 12213, 12305, 14455, 15729, 16905, 17227, 18585, 18939, 20355, 22149, 26019, 26215, 28497, 31565, 33705, 36915, 43365, 44191, 47187, 47495, 50715, 51681, 56817, 61065, 66493, 78645, 85491, 86135, 94695, 110745, 120589, 130095, 132573, 142485, 145199, 155043, 199479, 220955, 235935, 258405, 284085, 309337, 332465, 361767, 397719, 427455, 435597, 598437, 602945, 662865, 725995, 775215, 928011, 997395, 1016393, 1085301, 1306791, 1546685, 1808835, 1988595, 2177985, 2784033, 2992185, 3049179, 4640055, 5081965, 5426505, 6533955, 7114751, 9147537, 13920165, 15245895, 21344253, 35573755, 45737685, 64032759, 106721265, 320163795]

約数ペア:

[(1, 320163795), (3, 106721265), (5, 64032759), (7, 45737685), (9, 35573755), (15, 21344253), (21, 15245895), (23, 13920165), (35, 9147537), (45, 7114751), (49, 6533955), (59, 5426505), (63, 5081965), (69, 4640055), (105, 3049179), (107, 2992185), (115, 2784033), (147, 2177985), (161, 1988595), (177, 1808835), (207, 1546685), (245, 1306791), (295, 1085301), (315, 1016393), (321, 997395), (345, 928011), (413, 775215), (441, 725995), (483, 662865), (531, 602945), (535, 598437), (735, 435597), (749, 427455), (805, 397719), (885, 361767), (963, 332465), (1035, 309337), (1127, 284085), (1239, 258405), (1357, 235935), (1449, 220955), (1605, 199479), (2065, 155043), (2205, 145199), (2247, 142485), (2415, 132573), (2461, 130095), (2655, 120589), (2891, 110745), (3381, 94695), (3717, 86135), (3745, 85491), (4071, 78645), (4815, 66493), (5243, 61065), (5635, 56817), (6195, 51681), (6313, 50715), (6741, 47495), (6785, 47187), (7245, 44191), (7383, 43365), (8673, 36915), (9499, 33705), (10143, 31565), (11235, 28497), (12213, 26215), (12305, 26019), (14455, 22149), (15729, 20355), (16905, 18939), (17227, 18585)]