21580015680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16763}}^1$

素因数の和:16938

約数の個数: 224

約数和(自身を含む): 76645008000

約数和(自身を除く): 55064992320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 149, 160, 180, 192, 216, 240, 270, 288, 298, 320, 360, 432, 447, 480, 540, 576, 596, 720, 745, 864, 894, 960, 1080, 1192, 1341, 1440, 1490, 1728, 1788, 2160, 2235, 2384, 2682, 2880, 2980, 3576, 4023, 4320, 4470, 4768, 5364, 5960, 6705, 7152, 8046, 8640, 8940, 9536, 10728, 11920, 13410, 14304, 16092, 16763, 17880, 20115, 21456, 23840, 26820, 28608, 32184, 33526, 35760, 40230, 42912, 47680, 50289, 53640, 64368, 67052, 71520, 80460, 83815, 85824, 100578, 107280, 128736, 134104, 143040, 150867, 160920, 167630, 201156, 214560, 251445, 257472, 268208, 301734, 321840, 335260, 402312, 429120, 452601, 502890, 536416, 603468, 643680, 670520, 754335, 804624, 905202, 1005780, 1072832, 1206936, 1287360, 1341040, 1508670, 1609248, 1810404, 2011560, 2263005, 2413872, 2497687, 2682080, 3017340, 3218496, 3620808, 4023120, 4526010, 4827744, 4995374, 5364160, 6034680, 7241616, 7493061, 8046240, 9052020, 9655488, 9990748, 12069360, 12488435, 14483232, 14986122, 16092480, 18104040, 19981496, 22479183, 24138720, 24976870, 28966464, 29972244, 36208080, 37465305, 39962992, 44958366, 48277440, 49953740, 59944488, 67437549, 72416160, 74930610, 79925984, 89916732, 99907480, 112395915, 119888976, 134875098, 144832320, 149861220, 159851968, 179833464, 199814960, 224791830, 239777952, 269750196, 299722440, 337187745, 359666928, 399629920, 449583660, 479555904, 539500392, 599444880, 674375490, 719333856, 799259840, 899167320, 1079000784, 1198889760, 1348750980, 1438667712, 1798334640, 2158001568, 2397779520, 2697501960, 3596669280, 4316003136, 5395003920, 7193338560, 10790007840, 21580015680]

約数ペア:

[(1, 21580015680), (2, 10790007840), (3, 7193338560), (4, 5395003920), (5, 4316003136), (6, 3596669280), (8, 2697501960), (9, 2397779520), (10, 2158001568), (12, 1798334640), (15, 1438667712), (16, 1348750980), (18, 1198889760), (20, 1079000784), (24, 899167320), (27, 799259840), (30, 719333856), (32, 674375490), (36, 599444880), (40, 539500392), (45, 479555904), (48, 449583660), (54, 399629920), (60, 359666928), (64, 337187745), (72, 299722440), (80, 269750196), (90, 239777952), (96, 224791830), (108, 199814960), (120, 179833464), (135, 159851968), (144, 149861220), (149, 144832320), (160, 134875098), (180, 119888976), (192, 112395915), (216, 99907480), (240, 89916732), (270, 79925984), (288, 74930610), (298, 72416160), (320, 67437549), (360, 59944488), (432, 49953740), (447, 48277440), (480, 44958366), (540, 39962992), (576, 37465305), (596, 36208080), (720, 29972244), (745, 28966464), (864, 24976870), (894, 24138720), (960, 22479183), (1080, 19981496), (1192, 18104040), (1341, 16092480), (1440, 14986122), (1490, 14483232), (1728, 12488435), (1788, 12069360), (2160, 9990748), (2235, 9655488), (2384, 9052020), (2682, 8046240), (2880, 7493061), (2980, 7241616), (3576, 6034680), (4023, 5364160), (4320, 4995374), (4470, 4827744), (4768, 4526010), (5364, 4023120), (5960, 3620808), (6705, 3218496), (7152, 3017340), (8046, 2682080), (8640, 2497687), (8940, 2413872), (9536, 2263005), (10728, 2011560), (11920, 1810404), (13410, 1609248), (14304, 1508670), (16092, 1341040), (16763, 1287360), (17880, 1206936), (20115, 1072832), (21456, 1005780), (23840, 905202), (26820, 804624), (28608, 754335), (32184, 670520), (33526, 643680), (35760, 603468), (40230, 536416), (42912, 502890), (47680, 452601), (50289, 429120), (53640, 402312), (64368, 335260), (67052, 321840), (71520, 301734), (80460, 268208), (83815, 257472), (85824, 251445), (100578, 214560), (107280, 201156), (128736, 167630), (134104, 160920), (143040, 150867)]