20922187680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{156229}}^1$

素因数の和:156284

約数の個数: 192

約数和(自身を含む): 75590323200

約数和(自身を除く): 54668135520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 6696, 7440, 8370, 8928, 11160, 13392, 14880, 16740, 22320, 26784, 33480, 44640, 66960, 133920, 156229, 312458, 468687, 624916, 781145, 937374, 1249832, 1406061, 1562290, 1874748, 2343435, 2499664, 2812122, 3124580, 3749496, 4218183, 4686870, 4843099, 4999328, 5624244, 6249160, 7030305, 7498992, 8436366, 9373740, 9686198, 11248488, 12498320, 14060610, 14529297, 14997984, 16872732, 18747480, 19372396, 21090915, 22496976, 24215495, 24996640, 28121220, 29058594, 33745464, 37494960, 38744792, 42181830, 43587891, 44993952, 48430990, 56242440, 58117188, 67490928, 72646485, 74989920, 77489584, 84363660, 87175782, 96861980, 112484880, 116234376, 130763673, 134981856, 145292970, 154979168, 168727320, 174351564, 193723960, 217939455, 224969760, 232468752, 261527346, 290585940, 337454640, 348703128, 387447920, 435878910, 464937504, 523054692, 581171880, 653818365, 674909280, 697406256, 774895840, 871757820, 1046109384, 1162343760, 1307636730, 1394812512, 1743515640, 2092218768, 2324687520, 2615273460, 3487031280, 4184437536, 5230546920, 6974062560, 10461093840, 20922187680]

約数ペア:

[(1, 20922187680), (2, 10461093840), (3, 6974062560), (4, 5230546920), (5, 4184437536), (6, 3487031280), (8, 2615273460), (9, 2324687520), (10, 2092218768), (12, 1743515640), (15, 1394812512), (16, 1307636730), (18, 1162343760), (20, 1046109384), (24, 871757820), (27, 774895840), (30, 697406256), (31, 674909280), (32, 653818365), (36, 581171880), (40, 523054692), (45, 464937504), (48, 435878910), (54, 387447920), (60, 348703128), (62, 337454640), (72, 290585940), (80, 261527346), (90, 232468752), (93, 224969760), (96, 217939455), (108, 193723960), (120, 174351564), (124, 168727320), (135, 154979168), (144, 145292970), (155, 134981856), (160, 130763673), (180, 116234376), (186, 112484880), (216, 96861980), (240, 87175782), (248, 84363660), (270, 77489584), (279, 74989920), (288, 72646485), (310, 67490928), (360, 58117188), (372, 56242440), (432, 48430990), (465, 44993952), (480, 43587891), (496, 42181830), (540, 38744792), (558, 37494960), (620, 33745464), (720, 29058594), (744, 28121220), (837, 24996640), (864, 24215495), (930, 22496976), (992, 21090915), (1080, 19372396), (1116, 18747480), (1240, 16872732), (1395, 14997984), (1440, 14529297), (1488, 14060610), (1674, 12498320), (1860, 11248488), (2160, 9686198), (2232, 9373740), (2480, 8436366), (2790, 7498992), (2976, 7030305), (3348, 6249160), (3720, 5624244), (4185, 4999328), (4320, 4843099), (4464, 4686870), (4960, 4218183), (5580, 3749496), (6696, 3124580), (7440, 2812122), (8370, 2499664), (8928, 2343435), (11160, 1874748), (13392, 1562290), (14880, 1406061), (16740, 1249832), (22320, 937374), (26784, 781145), (33480, 624916), (44640, 468687), (66960, 312458), (133920, 156229)]