320161920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 256

約数和(自身を含む): 1118638080

約数和(自身を除く): 798476160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 101, 104, 120, 127, 128, 130, 156, 160, 192, 195, 202, 208, 240, 254, 260, 303, 312, 320, 381, 384, 390, 404, 416, 480, 505, 508, 520, 606, 624, 635, 640, 762, 780, 808, 832, 960, 1010, 1016, 1040, 1212, 1248, 1270, 1313, 1515, 1524, 1560, 1616, 1651, 1664, 1905, 1920, 2020, 2032, 2080, 2424, 2496, 2540, 2626, 3030, 3048, 3120, 3232, 3302, 3810, 3939, 4040, 4064, 4160, 4848, 4953, 4992, 5080, 5252, 6060, 6096, 6240, 6464, 6565, 6604, 7620, 7878, 8080, 8128, 8255, 8320, 9696, 9906, 10160, 10504, 12120, 12192, 12480, 12827, 12928, 13130, 13208, 15240, 15756, 16160, 16256, 16510, 19392, 19695, 19812, 20320, 21008, 24240, 24384, 24765, 24960, 25654, 26260, 26416, 30480, 31512, 32320, 33020, 38481, 38784, 39390, 39624, 40640, 42016, 48480, 48768, 49530, 51308, 52520, 52832, 60960, 63024, 64135, 64640, 66040, 76962, 78780, 79248, 81280, 84032, 96960, 99060, 102616, 105040, 105664, 121920, 126048, 128270, 132080, 153924, 157560, 158496, 166751, 168064, 192405, 193920, 198120, 205232, 210080, 211328, 243840, 252096, 256540, 264160, 307848, 315120, 316992, 333502, 384810, 396240, 410464, 420160, 500253, 504192, 513080, 528320, 615696, 630240, 633984, 667004, 769620, 792480, 820928, 833755, 840320, 1000506, 1026160, 1056640, 1231392, 1260480, 1334008, 1539240, 1584960, 1641856, 1667510, 2001012, 2052320, 2462784, 2501265, 2520960, 2668016, 3078480, 3169920, 3335020, 4002024, 4104640, 4925568, 5002530, 5336032, 6156960, 6670040, 8004048, 8209280, 10005060, 10672064, 12313920, 13340080, 16008096, 20010120, 21344128, 24627840, 26680160, 32016192, 40020240, 53360320, 64032384, 80040480, 106720640, 160080960, 320161920]

約数ペア:

[(1, 320161920), (2, 160080960), (3, 106720640), (4, 80040480), (5, 64032384), (6, 53360320), (8, 40020240), (10, 32016192), (12, 26680160), (13, 24627840), (15, 21344128), (16, 20010120), (20, 16008096), (24, 13340080), (26, 12313920), (30, 10672064), (32, 10005060), (39, 8209280), (40, 8004048), (48, 6670040), (52, 6156960), (60, 5336032), (64, 5002530), (65, 4925568), (78, 4104640), (80, 4002024), (96, 3335020), (101, 3169920), (104, 3078480), (120, 2668016), (127, 2520960), (128, 2501265), (130, 2462784), (156, 2052320), (160, 2001012), (192, 1667510), (195, 1641856), (202, 1584960), (208, 1539240), (240, 1334008), (254, 1260480), (260, 1231392), (303, 1056640), (312, 1026160), (320, 1000506), (381, 840320), (384, 833755), (390, 820928), (404, 792480), (416, 769620), (480, 667004), (505, 633984), (508, 630240), (520, 615696), (606, 528320), (624, 513080), (635, 504192), (640, 500253), (762, 420160), (780, 410464), (808, 396240), (832, 384810), (960, 333502), (1010, 316992), (1016, 315120), (1040, 307848), (1212, 264160), (1248, 256540), (1270, 252096), (1313, 243840), (1515, 211328), (1524, 210080), (1560, 205232), (1616, 198120), (1651, 193920), (1664, 192405), (1905, 168064), (1920, 166751), (2020, 158496), (2032, 157560), (2080, 153924), (2424, 132080), (2496, 128270), (2540, 126048), (2626, 121920), (3030, 105664), (3048, 105040), (3120, 102616), (3232, 99060), (3302, 96960), (3810, 84032), (3939, 81280), (4040, 79248), (4064, 78780), (4160, 76962), (4848, 66040), (4953, 64640), (4992, 64135), (5080, 63024), (5252, 60960), (6060, 52832), (6096, 52520), (6240, 51308), (6464, 49530), (6565, 48768), (6604, 48480), (7620, 42016), (7878, 40640), (8080, 39624), (8128, 39390), (8255, 38784), (8320, 38481), (9696, 33020), (9906, 32320), (10160, 31512), (10504, 30480), (12120, 26416), (12192, 26260), (12480, 25654), (12827, 24960), (12928, 24765), (13130, 24384), (13208, 24240), (15240, 21008), (15756, 20320), (16160, 19812), (16256, 19695), (16510, 19392)]