491136720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 1583898624

約数和(自身を除く): 1092761904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 251, 263, 310, 372, 465, 496, 502, 526, 620, 744, 753, 789, 930, 1004, 1052, 1240, 1255, 1315, 1488, 1506, 1578, 1860, 2008, 2104, 2480, 2510, 2630, 3012, 3156, 3720, 3765, 3945, 4016, 4208, 5020, 5260, 6024, 6312, 7440, 7530, 7781, 7890, 8153, 10040, 10520, 12048, 12624, 15060, 15562, 15780, 16306, 20080, 21040, 23343, 24459, 30120, 31124, 31560, 32612, 38905, 40765, 46686, 48918, 60240, 62248, 63120, 65224, 66013, 77810, 81530, 93372, 97836, 116715, 122295, 124496, 130448, 132026, 155620, 163060, 186744, 195672, 198039, 233430, 244590, 264052, 311240, 326120, 330065, 373488, 391344, 396078, 466860, 489180, 528104, 622480, 652240, 660130, 792156, 933720, 978360, 990195, 1056208, 1320260, 1584312, 1867440, 1956720, 1980390, 2046403, 2640520, 3168624, 3960780, 4092806, 5281040, 6139209, 7921560, 8185612, 10232015, 12278418, 15843120, 16371224, 20464030, 24556836, 30696045, 32742448, 40928060, 49113672, 61392090, 81856120, 98227344, 122784180, 163712240, 245568360, 491136720]

約数ペア:

[(1, 491136720), (2, 245568360), (3, 163712240), (4, 122784180), (5, 98227344), (6, 81856120), (8, 61392090), (10, 49113672), (12, 40928060), (15, 32742448), (16, 30696045), (20, 24556836), (24, 20464030), (30, 16371224), (31, 15843120), (40, 12278418), (48, 10232015), (60, 8185612), (62, 7921560), (80, 6139209), (93, 5281040), (120, 4092806), (124, 3960780), (155, 3168624), (186, 2640520), (240, 2046403), (248, 1980390), (251, 1956720), (263, 1867440), (310, 1584312), (372, 1320260), (465, 1056208), (496, 990195), (502, 978360), (526, 933720), (620, 792156), (744, 660130), (753, 652240), (789, 622480), (930, 528104), (1004, 489180), (1052, 466860), (1240, 396078), (1255, 391344), (1315, 373488), (1488, 330065), (1506, 326120), (1578, 311240), (1860, 264052), (2008, 244590), (2104, 233430), (2480, 198039), (2510, 195672), (2630, 186744), (3012, 163060), (3156, 155620), (3720, 132026), (3765, 130448), (3945, 124496), (4016, 122295), (4208, 116715), (5020, 97836), (5260, 93372), (6024, 81530), (6312, 77810), (7440, 66013), (7530, 65224), (7781, 63120), (7890, 62248), (8153, 60240), (10040, 48918), (10520, 46686), (12048, 40765), (12624, 38905), (15060, 32612), (15562, 31560), (15780, 31124), (16306, 30120), (20080, 24459), (21040, 23343)]