128803760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 311980032

約数和(自身を除く): 183176272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 311, 334, 496, 620, 622, 668, 835, 1240, 1244, 1336, 1555, 1670, 2480, 2488, 2672, 3110, 3340, 4976, 5177, 6220, 6680, 9641, 10354, 12440, 13360, 19282, 20708, 24880, 25885, 38564, 41416, 48205, 51770, 51937, 77128, 82832, 96410, 103540, 103874, 154256, 192820, 207080, 207748, 259685, 385640, 414160, 415496, 519370, 771280, 830992, 1038740, 1610047, 2077480, 3220094, 4154960, 6440188, 8050235, 12880376, 16100470, 25760752, 32200940, 64401880, 128803760]

約数ペア:

[(1, 128803760), (2, 64401880), (4, 32200940), (5, 25760752), (8, 16100470), (10, 12880376), (16, 8050235), (20, 6440188), (31, 4154960), (40, 3220094), (62, 2077480), (80, 1610047), (124, 1038740), (155, 830992), (167, 771280), (248, 519370), (310, 415496), (311, 414160), (334, 385640), (496, 259685), (620, 207748), (622, 207080), (668, 192820), (835, 154256), (1240, 103874), (1244, 103540), (1336, 96410), (1555, 82832), (1670, 77128), (2480, 51937), (2488, 51770), (2672, 48205), (3110, 41416), (3340, 38564), (4976, 25885), (5177, 24880), (6220, 20708), (6680, 19282), (9641, 13360), (10354, 12440)]