1566291920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{5273}}^1$

素因数の和:5412

約数の個数: 80

約数和(自身を含む): 3766901760

約数和(自身を除く): 2200609840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 235, 316, 376, 395, 470, 632, 752, 790, 940, 1264, 1580, 1880, 3160, 3713, 3760, 5273, 6320, 7426, 10546, 14852, 18565, 21092, 26365, 29704, 37130, 42184, 52730, 59408, 74260, 84368, 105460, 148520, 210920, 247831, 297040, 416567, 421840, 495662, 833134, 991324, 1239155, 1666268, 1982648, 2082835, 2478310, 3332536, 3965296, 4165670, 4956620, 6665072, 8331340, 9913240, 16662680, 19578649, 19826480, 33325360, 39157298, 78314596, 97893245, 156629192, 195786490, 313258384, 391572980, 783145960, 1566291920]

約数ペア:

[(1, 1566291920), (2, 783145960), (4, 391572980), (5, 313258384), (8, 195786490), (10, 156629192), (16, 97893245), (20, 78314596), (40, 39157298), (47, 33325360), (79, 19826480), (80, 19578649), (94, 16662680), (158, 9913240), (188, 8331340), (235, 6665072), (316, 4956620), (376, 4165670), (395, 3965296), (470, 3332536), (632, 2478310), (752, 2082835), (790, 1982648), (940, 1666268), (1264, 1239155), (1580, 991324), (1880, 833134), (3160, 495662), (3713, 421840), (3760, 416567), (5273, 297040), (6320, 247831), (7426, 210920), (10546, 148520), (14852, 105460), (18565, 84368), (21092, 74260), (26365, 59408), (29704, 52730), (37130, 42184)]