81200520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3823}}^1$

素因数の和:3899

約数の個数: 96

約数和(自身を含む): 268444800

約数和(自身を除く): 187244280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 3540, 3823, 4248, 5310, 7080, 7646, 10620, 11469, 15292, 19115, 21240, 22938, 30584, 34407, 38230, 45876, 57345, 68814, 76460, 91752, 114690, 137628, 152920, 172035, 225557, 229380, 275256, 344070, 451114, 458760, 676671, 688140, 902228, 1127785, 1353342, 1376280, 1804456, 2030013, 2255570, 2706684, 3383355, 4060026, 4511140, 5413368, 6766710, 8120052, 9022280, 10150065, 13533420, 16240104, 20300130, 27066840, 40600260, 81200520]

約数ペア:

[(1, 81200520), (2, 40600260), (3, 27066840), (4, 20300130), (5, 16240104), (6, 13533420), (8, 10150065), (9, 9022280), (10, 8120052), (12, 6766710), (15, 5413368), (18, 4511140), (20, 4060026), (24, 3383355), (30, 2706684), (36, 2255570), (40, 2030013), (45, 1804456), (59, 1376280), (60, 1353342), (72, 1127785), (90, 902228), (118, 688140), (120, 676671), (177, 458760), (180, 451114), (236, 344070), (295, 275256), (354, 229380), (360, 225557), (472, 172035), (531, 152920), (590, 137628), (708, 114690), (885, 91752), (1062, 76460), (1180, 68814), (1416, 57345), (1770, 45876), (2124, 38230), (2360, 34407), (2655, 30584), (3540, 22938), (3823, 21240), (4248, 19115), (5310, 15292), (7080, 11469), (7646, 10620)]