20506366080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38281}}^1$

素因数の和:38340

約数の個数: 256

約数和(自身を含む): 74971468800

約数和(自身を除く): 54465102720

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, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3456, 3720, 3968, 4185, 4320, 4464, 4960, 5580, 5760, 5952, 6696, 7440, 8370, 8640, 8928, 9920, 11160, 11904, 13392, 14880, 16740, 17280, 17856, 19840, 22320, 26784, 29760, 33480, 35712, 38281, 44640, 53568, 59520, 66960, 76562, 89280, 107136, 114843, 133920, 153124, 178560, 191405, 229686, 267840, 306248, 344529, 382810, 459372, 535680, 574215, 612496, 689058, 765620, 918744, 1033587, 1148430, 1186711, 1224992, 1378116, 1531240, 1722645, 1837488, 2067174, 2296860, 2373422, 2449984, 2756232, 3062480, 3445290, 3560133, 3674976, 4134348, 4593720, 4746844, 4899968, 5167935, 5512464, 5933555, 6124960, 6890580, 7120266, 7349952, 8268696, 9187440, 9493688, 10335870, 10680399, 11024928, 11867110, 12249920, 13781160, 14240532, 14699904, 16537392, 17800665, 18374880, 18987376, 20671740, 21360798, 22049856, 23734220, 24499840, 27562320, 28481064, 32041197, 33074784, 35601330, 36749760, 37974752, 41343480, 42721596, 44099712, 47468440, 53401995, 55124640, 56962128, 64082394, 66149568, 71202660, 73499520, 75949504, 82686960, 85443192, 94936880, 106803990, 110249280, 113924256, 128164788, 132299136, 142405320, 151899008, 160205985, 165373920, 170886384, 189873760, 213607980, 220498560, 227848512, 256329576, 284810640, 320411970, 330747840, 341772768, 379747520, 427215960, 455697024, 512659152, 569621280, 640823940, 661495680, 683545536, 759495040, 854431920, 1025318304, 1139242560, 1281647880, 1367091072, 1708863840, 2050636608, 2278485120, 2563295760, 3417727680, 4101273216, 5126591520, 6835455360, 10253183040, 20506366080]

約数ペア:

[(1, 20506366080), (2, 10253183040), (3, 6835455360), (4, 5126591520), (5, 4101273216), (6, 3417727680), (8, 2563295760), (9, 2278485120), (10, 2050636608), (12, 1708863840), (15, 1367091072), (16, 1281647880), (18, 1139242560), (20, 1025318304), (24, 854431920), (27, 759495040), (30, 683545536), (31, 661495680), (32, 640823940), (36, 569621280), (40, 512659152), (45, 455697024), (48, 427215960), (54, 379747520), (60, 341772768), (62, 330747840), (64, 320411970), (72, 284810640), (80, 256329576), (90, 227848512), (93, 220498560), (96, 213607980), (108, 189873760), (120, 170886384), (124, 165373920), (128, 160205985), (135, 151899008), (144, 142405320), (155, 132299136), (160, 128164788), (180, 113924256), (186, 110249280), (192, 106803990), (216, 94936880), (240, 85443192), (248, 82686960), (270, 75949504), (279, 73499520), (288, 71202660), (310, 66149568), (320, 64082394), (360, 56962128), (372, 55124640), (384, 53401995), (432, 47468440), (465, 44099712), (480, 42721596), (496, 41343480), (540, 37974752), (558, 36749760), (576, 35601330), (620, 33074784), (640, 32041197), (720, 28481064), (744, 27562320), (837, 24499840), (864, 23734220), (930, 22049856), (960, 21360798), (992, 20671740), (1080, 18987376), (1116, 18374880), (1152, 17800665), (1240, 16537392), (1395, 14699904), (1440, 14240532), (1488, 13781160), (1674, 12249920), (1728, 11867110), (1860, 11024928), (1920, 10680399), (1984, 10335870), (2160, 9493688), (2232, 9187440), (2480, 8268696), (2790, 7349952), (2880, 7120266), (2976, 6890580), (3348, 6124960), (3456, 5933555), (3720, 5512464), (3968, 5167935), (4185, 4899968), (4320, 4746844), (4464, 4593720), (4960, 4134348), (5580, 3674976), (5760, 3560133), (5952, 3445290), (6696, 3062480), (7440, 2756232), (8370, 2449984), (8640, 2373422), (8928, 2296860), (9920, 2067174), (11160, 1837488), (11904, 1722645), (13392, 1531240), (14880, 1378116), (16740, 1224992), (17280, 1186711), (17856, 1148430), (19840, 1033587), (22320, 918744), (26784, 765620), (29760, 689058), (33480, 612496), (35712, 574215), (38281, 535680), (44640, 459372), (53568, 382810), (59520, 344529), (66960, 306248), (76562, 267840), (89280, 229686), (107136, 191405), (114843, 178560), (133920, 153124)]