77436760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 181336320

約数和(自身を除く): 103899560

約数列:

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

約数ペア:

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