123443120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 306542880

約数和(自身を除く): 183099760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 653, 680, 695, 1112, 1306, 1360, 1390, 2224, 2363, 2612, 2780, 3265, 4726, 5224, 5560, 6530, 9452, 10448, 11101, 11120, 11815, 13060, 18904, 22202, 23630, 26120, 37808, 44404, 47260, 52240, 55505, 88808, 90767, 94520, 111010, 177616, 181534, 189040, 222020, 363068, 444040, 453835, 726136, 888080, 907670, 1452272, 1543039, 1815340, 3086078, 3630680, 6172156, 7261360, 7715195, 12344312, 15430390, 24688624, 30860780, 61721560, 123443120]

約数ペア:

[(1, 123443120), (2, 61721560), (4, 30860780), (5, 24688624), (8, 15430390), (10, 12344312), (16, 7715195), (17, 7261360), (20, 6172156), (34, 3630680), (40, 3086078), (68, 1815340), (80, 1543039), (85, 1452272), (136, 907670), (139, 888080), (170, 726136), (272, 453835), (278, 444040), (340, 363068), (556, 222020), (653, 189040), (680, 181534), (695, 177616), (1112, 111010), (1306, 94520), (1360, 90767), (1390, 88808), (2224, 55505), (2363, 52240), (2612, 47260), (2780, 44404), (3265, 37808), (4726, 26120), (5224, 23630), (5560, 22202), (6530, 18904), (9452, 13060), (10448, 11815), (11101, 11120)]