12167920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 31337280

約数和(自身を除く): 19169360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 389, 391, 460, 680, 778, 782, 920, 1360, 1556, 1564, 1840, 1945, 1955, 3112, 3128, 3890, 3910, 6224, 6256, 6613, 7780, 7820, 8947, 13226, 15560, 15640, 17894, 26452, 31120, 31280, 33065, 35788, 44735, 52904, 66130, 71576, 89470, 105808, 132260, 143152, 152099, 178940, 264520, 304198, 357880, 529040, 608396, 715760, 760495, 1216792, 1520990, 2433584, 3041980, 6083960, 12167920]

約数ペア:

[(1, 12167920), (2, 6083960), (4, 3041980), (5, 2433584), (8, 1520990), (10, 1216792), (16, 760495), (17, 715760), (20, 608396), (23, 529040), (34, 357880), (40, 304198), (46, 264520), (68, 178940), (80, 152099), (85, 143152), (92, 132260), (115, 105808), (136, 89470), (170, 71576), (184, 66130), (230, 52904), (272, 44735), (340, 35788), (368, 33065), (389, 31280), (391, 31120), (460, 26452), (680, 17894), (778, 15640), (782, 15560), (920, 13226), (1360, 8947), (1556, 7820), (1564, 7780), (1840, 6613), (1945, 6256), (1955, 6224), (3112, 3910), (3128, 3890)]