78195920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5268

約数の個数: 80

約数和(自身を含む): 210040128

約数和(自身を除く): 131844208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5227, 7480, 10454, 14960, 20908, 26135, 41816, 52270, 57497, 83632, 88859, 104540, 114994, 177718, 209080, 229988, 287485, 355436, 418160, 444295, 459976, 574970, 710872, 888590, 919952, 977449, 1149940, 1421744, 1777180, 1954898, 2299880, 3554360, 3909796, 4599760, 4887245, 7108720, 7819592, 9774490, 15639184, 19548980, 39097960, 78195920]

約数ペア:

[(1, 78195920), (2, 39097960), (4, 19548980), (5, 15639184), (8, 9774490), (10, 7819592), (11, 7108720), (16, 4887245), (17, 4599760), (20, 3909796), (22, 3554360), (34, 2299880), (40, 1954898), (44, 1777180), (55, 1421744), (68, 1149940), (80, 977449), (85, 919952), (88, 888590), (110, 710872), (136, 574970), (170, 459976), (176, 444295), (187, 418160), (220, 355436), (272, 287485), (340, 229988), (374, 209080), (440, 177718), (680, 114994), (748, 104540), (880, 88859), (935, 83632), (1360, 57497), (1496, 52270), (1870, 41816), (2992, 26135), (3740, 20908), (5227, 14960), (7480, 10454)]