71586640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 172846080

約数和(自身を除く): 101259440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 235, 241, 316, 376, 395, 470, 482, 632, 752, 790, 940, 964, 1205, 1264, 1580, 1880, 1928, 2410, 3160, 3713, 3760, 3856, 4820, 6320, 7426, 9640, 11327, 14852, 18565, 19039, 19280, 22654, 29704, 37130, 38078, 45308, 56635, 59408, 74260, 76156, 90616, 95195, 113270, 148520, 152312, 181232, 190390, 226540, 297040, 304624, 380780, 453080, 761560, 894833, 906160, 1523120, 1789666, 3579332, 4474165, 7158664, 8948330, 14317328, 17896660, 35793320, 71586640]

約数ペア:

[(1, 71586640), (2, 35793320), (4, 17896660), (5, 14317328), (8, 8948330), (10, 7158664), (16, 4474165), (20, 3579332), (40, 1789666), (47, 1523120), (79, 906160), (80, 894833), (94, 761560), (158, 453080), (188, 380780), (235, 304624), (241, 297040), (316, 226540), (376, 190390), (395, 181232), (470, 152312), (482, 148520), (632, 113270), (752, 95195), (790, 90616), (940, 76156), (964, 74260), (1205, 59408), (1264, 56635), (1580, 45308), (1880, 38078), (1928, 37130), (2410, 29704), (3160, 22654), (3713, 19280), (3760, 19039), (3856, 18565), (4820, 14852), (6320, 11327), (7426, 9640)]