20211396480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{106331}}^1$

素因数の和:106370

約数の個数: 256

約数和(自身を含む): 78090220800

約数和(自身を除く): 57878824320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1320, 1408, 1440, 1485, 1584, 1728, 1760, 1920, 1980, 2112, 2160, 2376, 2640, 2880, 2970, 3168, 3456, 3520, 3960, 4224, 4320, 4752, 5280, 5760, 5940, 6336, 7040, 7920, 8640, 9504, 10560, 11880, 12672, 15840, 17280, 19008, 21120, 23760, 31680, 38016, 47520, 63360, 95040, 106331, 190080, 212662, 318993, 425324, 531655, 637986, 850648, 956979, 1063310, 1169641, 1275972, 1594965, 1701296, 1913958, 2126620, 2339282, 2551944, 2870937, 3189930, 3402592, 3508923, 3827916, 4253240, 4678564, 4784895, 5103888, 5741874, 5848205, 6379860, 6805184, 7017846, 7655832, 8506480, 9357128, 9569790, 10207776, 10526769, 11483748, 11696410, 12759720, 13610368, 14035692, 14354685, 15311664, 17012960, 17544615, 18714256, 19139580, 20415552, 21053538, 22967496, 23392820, 25519440, 28071384, 28709370, 30623328, 31580307, 34025920, 35089230, 37428512, 38279160, 40831104, 42107076, 45934992, 46785640, 51038880, 52633845, 56142768, 57418740, 61246656, 63160614, 68051840, 70178460, 74857024, 76558320, 84214152, 91869984, 93571280, 102077760, 105267690, 112285536, 114837480, 122493312, 126321228, 140356920, 149714048, 153116640, 157901535, 168428304, 183739968, 187142560, 204155520, 210535380, 224571072, 229674960, 252642456, 280713840, 306233280, 315803070, 336856608, 367479936, 374285120, 421070760, 449142144, 459349920, 505284912, 561427680, 612466560, 631606140, 673713216, 748570240, 842141520, 918699840, 1010569824, 1122855360, 1263212280, 1347426432, 1684283040, 1837399680, 2021139648, 2245710720, 2526424560, 3368566080, 4042279296, 5052849120, 6737132160, 10105698240, 20211396480]

約数ペア:

[(1, 20211396480), (2, 10105698240), (3, 6737132160), (4, 5052849120), (5, 4042279296), (6, 3368566080), (8, 2526424560), (9, 2245710720), (10, 2021139648), (11, 1837399680), (12, 1684283040), (15, 1347426432), (16, 1263212280), (18, 1122855360), (20, 1010569824), (22, 918699840), (24, 842141520), (27, 748570240), (30, 673713216), (32, 631606140), (33, 612466560), (36, 561427680), (40, 505284912), (44, 459349920), (45, 449142144), (48, 421070760), (54, 374285120), (55, 367479936), (60, 336856608), (64, 315803070), (66, 306233280), (72, 280713840), (80, 252642456), (88, 229674960), (90, 224571072), (96, 210535380), (99, 204155520), (108, 187142560), (110, 183739968), (120, 168428304), (128, 157901535), (132, 153116640), (135, 149714048), (144, 140356920), (160, 126321228), (165, 122493312), (176, 114837480), (180, 112285536), (192, 105267690), (198, 102077760), (216, 93571280), (220, 91869984), (240, 84214152), (264, 76558320), (270, 74857024), (288, 70178460), (297, 68051840), (320, 63160614), (330, 61246656), (352, 57418740), (360, 56142768), (384, 52633845), (396, 51038880), (432, 46785640), (440, 45934992), (480, 42107076), (495, 40831104), (528, 38279160), (540, 37428512), (576, 35089230), (594, 34025920), (640, 31580307), (660, 30623328), (704, 28709370), (720, 28071384), (792, 25519440), (864, 23392820), (880, 22967496), (960, 21053538), (990, 20415552), (1056, 19139580), (1080, 18714256), (1152, 17544615), (1188, 17012960), (1320, 15311664), (1408, 14354685), (1440, 14035692), (1485, 13610368), (1584, 12759720), (1728, 11696410), (1760, 11483748), (1920, 10526769), (1980, 10207776), (2112, 9569790), (2160, 9357128), (2376, 8506480), (2640, 7655832), (2880, 7017846), (2970, 6805184), (3168, 6379860), (3456, 5848205), (3520, 5741874), (3960, 5103888), (4224, 4784895), (4320, 4678564), (4752, 4253240), (5280, 3827916), (5760, 3508923), (5940, 3402592), (6336, 3189930), (7040, 2870937), (7920, 2551944), (8640, 2339282), (9504, 2126620), (10560, 1913958), (11880, 1701296), (12672, 1594965), (15840, 1275972), (17280, 1169641), (19008, 1063310), (21120, 956979), (23760, 850648), (31680, 637986), (38016, 531655), (47520, 425324), (63360, 318993), (95040, 212662), (106331, 190080)]