25359180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 89376000

約数和(自身を除く): 64016820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 499, 605, 660, 726, 770, 847, 924, 998, 1155, 1210, 1452, 1497, 1540, 1694, 1815, 1996, 2310, 2420, 2495, 2541, 2994, 3388, 3493, 3630, 4235, 4620, 4990, 5082, 5489, 5988, 6986, 7260, 7485, 8470, 9980, 10164, 10479, 10978, 12705, 13972, 14970, 16467, 16940, 17465, 20958, 21956, 25410, 27445, 29940, 32934, 34930, 38423, 41916, 50820, 52395, 54890, 60379, 65868, 69860, 76846, 82335, 104790, 109780, 115269, 120758, 153692, 164670, 181137, 192115, 209580, 230538, 241516, 301895, 329340, 362274, 384230, 422653, 461076, 576345, 603790, 724548, 768460, 845306, 905685, 1152690, 1207580, 1267959, 1690612, 1811370, 2113265, 2305380, 2535918, 3622740, 4226530, 5071836, 6339795, 8453060, 12679590, 25359180]

約数ペア:

[(1, 25359180), (2, 12679590), (3, 8453060), (4, 6339795), (5, 5071836), (6, 4226530), (7, 3622740), (10, 2535918), (11, 2305380), (12, 2113265), (14, 1811370), (15, 1690612), (20, 1267959), (21, 1207580), (22, 1152690), (28, 905685), (30, 845306), (33, 768460), (35, 724548), (42, 603790), (44, 576345), (55, 461076), (60, 422653), (66, 384230), (70, 362274), (77, 329340), (84, 301895), (105, 241516), (110, 230538), (121, 209580), (132, 192115), (140, 181137), (154, 164670), (165, 153692), (210, 120758), (220, 115269), (231, 109780), (242, 104790), (308, 82335), (330, 76846), (363, 69860), (385, 65868), (420, 60379), (462, 54890), (484, 52395), (499, 50820), (605, 41916), (660, 38423), (726, 34930), (770, 32934), (847, 29940), (924, 27445), (998, 25410), (1155, 21956), (1210, 20958), (1452, 17465), (1497, 16940), (1540, 16467), (1694, 14970), (1815, 13972), (1996, 12705), (2310, 10978), (2420, 10479), (2495, 10164), (2541, 9980), (2994, 8470), (3388, 7485), (3493, 7260), (3630, 6986), (4235, 5988), (4620, 5489), (4990, 5082)]