20173779840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{6899}}^1$

素因数の和:8444

約数の個数: 128

約数和(自身を含む): 64355472000

約数和(自身を除く): 44181692160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1523, 1920, 3046, 4569, 6092, 6899, 7615, 9138, 12184, 13798, 15230, 18276, 20697, 22845, 24368, 27596, 30460, 34495, 36552, 41394, 45690, 48736, 55192, 60920, 68990, 73104, 82788, 91380, 97472, 103485, 110384, 121840, 137980, 146208, 165576, 182760, 194944, 206970, 220768, 243680, 275960, 292416, 331152, 365520, 413940, 441536, 487360, 551920, 584832, 662304, 731040, 827880, 883072, 974720, 1103840, 1324608, 1462080, 1655760, 2207680, 2649216, 2924160, 3311520, 4415360, 6623040, 10507177, 13246080, 21014354, 31521531, 42028708, 52535885, 63043062, 84057416, 105071770, 126086124, 157607655, 168114832, 210143540, 252172248, 315215310, 336229664, 420287080, 504344496, 630430620, 672459328, 840574160, 1008688992, 1260861240, 1344918656, 1681148320, 2017377984, 2521722480, 3362296640, 4034755968, 5043444960, 6724593280, 10086889920, 20173779840]

約数ペア:

[(1, 20173779840), (2, 10086889920), (3, 6724593280), (4, 5043444960), (5, 4034755968), (6, 3362296640), (8, 2521722480), (10, 2017377984), (12, 1681148320), (15, 1344918656), (16, 1260861240), (20, 1008688992), (24, 840574160), (30, 672459328), (32, 630430620), (40, 504344496), (48, 420287080), (60, 336229664), (64, 315215310), (80, 252172248), (96, 210143540), (120, 168114832), (128, 157607655), (160, 126086124), (192, 105071770), (240, 84057416), (320, 63043062), (384, 52535885), (480, 42028708), (640, 31521531), (960, 21014354), (1523, 13246080), (1920, 10507177), (3046, 6623040), (4569, 4415360), (6092, 3311520), (6899, 2924160), (7615, 2649216), (9138, 2207680), (12184, 1655760), (13798, 1462080), (15230, 1324608), (18276, 1103840), (20697, 974720), (22845, 883072), (24368, 827880), (27596, 731040), (30460, 662304), (34495, 584832), (36552, 551920), (41394, 487360), (45690, 441536), (48736, 413940), (55192, 365520), (60920, 331152), (68990, 292416), (73104, 275960), (82788, 243680), (91380, 220768), (97472, 206970), (103485, 194944), (110384, 182760), (121840, 165576), (137980, 146208)]