8721760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 21890736

約数和(自身を除く): 13168976

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 151, 152, 160, 190, 302, 304, 361, 380, 604, 608, 722, 755, 760, 1208, 1444, 1510, 1520, 1805, 2416, 2869, 2888, 3020, 3040, 3610, 4832, 5738, 5776, 6040, 7220, 11476, 11552, 12080, 14345, 14440, 22952, 24160, 28690, 28880, 45904, 54511, 57380, 57760, 91808, 109022, 114760, 218044, 229520, 272555, 436088, 459040, 545110, 872176, 1090220, 1744352, 2180440, 4360880, 8721760]

約数ペア:

[(1, 8721760), (2, 4360880), (4, 2180440), (5, 1744352), (8, 1090220), (10, 872176), (16, 545110), (19, 459040), (20, 436088), (32, 272555), (38, 229520), (40, 218044), (76, 114760), (80, 109022), (95, 91808), (151, 57760), (152, 57380), (160, 54511), (190, 45904), (302, 28880), (304, 28690), (361, 24160), (380, 22952), (604, 14440), (608, 14345), (722, 12080), (755, 11552), (760, 11476), (1208, 7220), (1444, 6040), (1510, 5776), (1520, 5738), (1805, 4832), (2416, 3610), (2869, 3040), (2888, 3020)]