1218280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 3312000

約数和(自身を除く): 2093720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 229, 266, 280, 380, 458, 532, 665, 760, 916, 1064, 1145, 1330, 1603, 1832, 2290, 2660, 3206, 4351, 4580, 5320, 6412, 8015, 8702, 9160, 12824, 16030, 17404, 21755, 30457, 32060, 34808, 43510, 60914, 64120, 87020, 121828, 152285, 174040, 243656, 304570, 609140, 1218280]

約数ペア:

[(1, 1218280), (2, 609140), (4, 304570), (5, 243656), (7, 174040), (8, 152285), (10, 121828), (14, 87020), (19, 64120), (20, 60914), (28, 43510), (35, 34808), (38, 32060), (40, 30457), (56, 21755), (70, 17404), (76, 16030), (95, 12824), (133, 9160), (140, 8702), (152, 8015), (190, 6412), (229, 5320), (266, 4580), (280, 4351), (380, 3206), (458, 2660), (532, 2290), (665, 1832), (760, 1603), (916, 1330), (1064, 1145)]