66149680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 159882624

約数和(自身を除く): 93732944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 73, 80, 94, 146, 188, 235, 241, 292, 365, 376, 470, 482, 584, 730, 752, 940, 964, 1168, 1205, 1460, 1880, 1928, 2410, 2920, 3431, 3760, 3856, 4820, 5840, 6862, 9640, 11327, 13724, 17155, 17593, 19280, 22654, 27448, 34310, 35186, 45308, 54896, 56635, 68620, 70372, 87965, 90616, 113270, 137240, 140744, 175930, 181232, 226540, 274480, 281488, 351860, 453080, 703720, 826871, 906160, 1407440, 1653742, 3307484, 4134355, 6614968, 8268710, 13229936, 16537420, 33074840, 66149680]

約数ペア:

[(1, 66149680), (2, 33074840), (4, 16537420), (5, 13229936), (8, 8268710), (10, 6614968), (16, 4134355), (20, 3307484), (40, 1653742), (47, 1407440), (73, 906160), (80, 826871), (94, 703720), (146, 453080), (188, 351860), (235, 281488), (241, 274480), (292, 226540), (365, 181232), (376, 175930), (470, 140744), (482, 137240), (584, 113270), (730, 90616), (752, 87965), (940, 70372), (964, 68620), (1168, 56635), (1205, 54896), (1460, 45308), (1880, 35186), (1928, 34310), (2410, 27448), (2920, 22654), (3431, 19280), (3760, 17593), (3856, 17155), (4820, 13724), (5840, 11327), (6862, 9640)]