989877120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16631}}^1$

素因数の和:16684

約数の個数: 128

約数和(自身を含む): 3257210880

約数和(自身を除く): 2267333760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 16631, 19840, 29760, 33262, 49893, 59520, 66524, 83155, 99786, 133048, 166310, 199572, 249465, 266096, 332620, 399144, 498930, 515561, 532192, 665240, 798288, 997860, 1031122, 1064384, 1330480, 1546683, 1596576, 1995720, 2062244, 2128768, 2577805, 2660960, 3093366, 3193152, 3991440, 4124488, 5155610, 5321920, 6186732, 6386304, 7733415, 7982880, 8248976, 10311220, 10643840, 12373464, 15466830, 15965760, 16497952, 20622440, 24746928, 30933660, 31931520, 32995904, 41244880, 49493856, 61867320, 65991808, 82489760, 98987712, 123734640, 164979520, 197975424, 247469280, 329959040, 494938560, 989877120]

約数ペア:

[(1, 989877120), (2, 494938560), (3, 329959040), (4, 247469280), (5, 197975424), (6, 164979520), (8, 123734640), (10, 98987712), (12, 82489760), (15, 65991808), (16, 61867320), (20, 49493856), (24, 41244880), (30, 32995904), (31, 31931520), (32, 30933660), (40, 24746928), (48, 20622440), (60, 16497952), (62, 15965760), (64, 15466830), (80, 12373464), (93, 10643840), (96, 10311220), (120, 8248976), (124, 7982880), (128, 7733415), (155, 6386304), (160, 6186732), (186, 5321920), (192, 5155610), (240, 4124488), (248, 3991440), (310, 3193152), (320, 3093366), (372, 2660960), (384, 2577805), (465, 2128768), (480, 2062244), (496, 1995720), (620, 1596576), (640, 1546683), (744, 1330480), (930, 1064384), (960, 1031122), (992, 997860), (1240, 798288), (1488, 665240), (1860, 532192), (1920, 515561), (1984, 498930), (2480, 399144), (2976, 332620), (3720, 266096), (3968, 249465), (4960, 199572), (5952, 166310), (7440, 133048), (9920, 99786), (11904, 83155), (14880, 66524), (16631, 59520), (19840, 49893), (29760, 33262)]