855804960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:920

約数の個数: 192

約数和(自身を含む): 3008880000

約数和(自身を除く): 2153075040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 397, 432, 480, 499, 540, 720, 794, 864, 998, 1080, 1191, 1440, 1497, 1588, 1985, 1996, 2160, 2382, 2495, 2994, 3176, 3573, 3970, 3992, 4320, 4491, 4764, 4990, 5955, 5988, 6352, 7146, 7485, 7940, 7984, 8982, 9528, 9980, 10719, 11910, 11976, 12704, 13473, 14292, 14970, 15880, 15968, 17865, 17964, 19056, 19960, 21438, 22455, 23820, 23952, 26946, 28584, 29940, 31760, 35730, 35928, 38112, 39920, 42876, 44910, 47640, 47904, 53595, 53892, 57168, 59880, 63520, 67365, 71460, 71856, 79840, 85752, 89820, 95280, 107190, 107784, 114336, 119760, 134730, 142920, 143712, 171504, 179640, 190560, 198103, 214380, 215568, 239520, 269460, 285840, 343008, 359280, 396206, 428760, 431136, 538920, 571680, 594309, 718560, 792412, 857520, 990515, 1077840, 1188618, 1584824, 1715040, 1782927, 1981030, 2155680, 2377236, 2971545, 3169648, 3565854, 3962060, 4754472, 5348781, 5943090, 6339296, 7131708, 7924120, 8914635, 9508944, 10697562, 11886180, 14263416, 15848240, 17829270, 19017888, 21395124, 23772360, 26743905, 28526832, 31696480, 35658540, 42790248, 47544720, 53487810, 57053664, 71317080, 85580496, 95089440, 106975620, 142634160, 171160992, 213951240, 285268320, 427902480, 855804960]

約数ペア:

[(1, 855804960), (2, 427902480), (3, 285268320), (4, 213951240), (5, 171160992), (6, 142634160), (8, 106975620), (9, 95089440), (10, 85580496), (12, 71317080), (15, 57053664), (16, 53487810), (18, 47544720), (20, 42790248), (24, 35658540), (27, 31696480), (30, 28526832), (32, 26743905), (36, 23772360), (40, 21395124), (45, 19017888), (48, 17829270), (54, 15848240), (60, 14263416), (72, 11886180), (80, 10697562), (90, 9508944), (96, 8914635), (108, 7924120), (120, 7131708), (135, 6339296), (144, 5943090), (160, 5348781), (180, 4754472), (216, 3962060), (240, 3565854), (270, 3169648), (288, 2971545), (360, 2377236), (397, 2155680), (432, 1981030), (480, 1782927), (499, 1715040), (540, 1584824), (720, 1188618), (794, 1077840), (864, 990515), (998, 857520), (1080, 792412), (1191, 718560), (1440, 594309), (1497, 571680), (1588, 538920), (1985, 431136), (1996, 428760), (2160, 396206), (2382, 359280), (2495, 343008), (2994, 285840), (3176, 269460), (3573, 239520), (3970, 215568), (3992, 214380), (4320, 198103), (4491, 190560), (4764, 179640), (4990, 171504), (5955, 143712), (5988, 142920), (6352, 134730), (7146, 119760), (7485, 114336), (7940, 107784), (7984, 107190), (8982, 95280), (9528, 89820), (9980, 85752), (10719, 79840), (11910, 71856), (11976, 71460), (12704, 67365), (13473, 63520), (14292, 59880), (14970, 57168), (15880, 53892), (15968, 53595), (17865, 47904), (17964, 47640), (19056, 44910), (19960, 42876), (21438, 39920), (22455, 38112), (23820, 35928), (23952, 35730), (26946, 31760), (28584, 29940)]