8045778440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{18917}}^1$

素因数の和:18980

約数の個数: 128

約数和(自身を含む): 21793536000

約数和(自身を除く): 13747757560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 343, 392, 434, 490, 620, 686, 868, 980, 1085, 1240, 1372, 1519, 1715, 1736, 1960, 2170, 2744, 3038, 3430, 4340, 6076, 6860, 7595, 8680, 10633, 12152, 13720, 15190, 18917, 21266, 30380, 37834, 42532, 53165, 60760, 75668, 85064, 94585, 106330, 132419, 151336, 189170, 212660, 264838, 378340, 425320, 529676, 586427, 662095, 756680, 926933, 1059352, 1172854, 1324190, 1853866, 2345708, 2648380, 2932135, 3707732, 4104989, 4634665, 4691416, 5296760, 5864270, 6488531, 7415464, 8209978, 9269330, 11728540, 12977062, 16419956, 18538660, 20524945, 23457080, 25954124, 28734923, 32442655, 32839912, 37077320, 41049890, 51908248, 57469846, 64885310, 82099780, 114939692, 129770620, 143674615, 164199560, 201144461, 229879384, 259541240, 287349230, 402288922, 574698460, 804577844, 1005722305, 1149396920, 1609155688, 2011444610, 4022889220, 8045778440]

約数ペア:

[(1, 8045778440), (2, 4022889220), (4, 2011444610), (5, 1609155688), (7, 1149396920), (8, 1005722305), (10, 804577844), (14, 574698460), (20, 402288922), (28, 287349230), (31, 259541240), (35, 229879384), (40, 201144461), (49, 164199560), (56, 143674615), (62, 129770620), (70, 114939692), (98, 82099780), (124, 64885310), (140, 57469846), (155, 51908248), (196, 41049890), (217, 37077320), (245, 32839912), (248, 32442655), (280, 28734923), (310, 25954124), (343, 23457080), (392, 20524945), (434, 18538660), (490, 16419956), (620, 12977062), (686, 11728540), (868, 9269330), (980, 8209978), (1085, 7415464), (1240, 6488531), (1372, 5864270), (1519, 5296760), (1715, 4691416), (1736, 4634665), (1960, 4104989), (2170, 3707732), (2744, 2932135), (3038, 2648380), (3430, 2345708), (4340, 1853866), (6076, 1324190), (6860, 1172854), (7595, 1059352), (8680, 926933), (10633, 756680), (12152, 662095), (13720, 586427), (15190, 529676), (18917, 425320), (21266, 378340), (30380, 264838), (37834, 212660), (42532, 189170), (53165, 151336), (60760, 132419), (75668, 106330), (85064, 94585)]