154873520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 374761728

約数和(自身を除く): 219888208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 317, 394, 496, 620, 634, 788, 985, 1240, 1268, 1576, 1585, 1970, 2480, 2536, 3152, 3170, 3940, 5072, 6107, 6340, 7880, 9827, 12214, 12680, 15760, 19654, 24428, 25360, 30535, 39308, 48856, 49135, 61070, 62449, 78616, 97712, 98270, 122140, 124898, 157232, 196540, 244280, 249796, 312245, 393080, 488560, 499592, 624490, 786160, 999184, 1248980, 1935919, 2497960, 3871838, 4995920, 7743676, 9679595, 15487352, 19359190, 30974704, 38718380, 77436760, 154873520]

約数ペア:

[(1, 154873520), (2, 77436760), (4, 38718380), (5, 30974704), (8, 19359190), (10, 15487352), (16, 9679595), (20, 7743676), (31, 4995920), (40, 3871838), (62, 2497960), (80, 1935919), (124, 1248980), (155, 999184), (197, 786160), (248, 624490), (310, 499592), (317, 488560), (394, 393080), (496, 312245), (620, 249796), (634, 244280), (788, 196540), (985, 157232), (1240, 124898), (1268, 122140), (1576, 98270), (1585, 97712), (1970, 78616), (2480, 62449), (2536, 61070), (3152, 49135), (3170, 48856), (3940, 39308), (5072, 30535), (6107, 25360), (6340, 24428), (7880, 19654), (9827, 15760), (12214, 12680)]