81323144640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42979}}^1$

素因数の和:43081

約数の個数: 280

約数和(自身を含む): 293250305040

約数和(自身を除く): 211927160400

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, 73, 80, 81, 90, 96, 108, 120, 135, 144, 146, 160, 162, 180, 192, 216, 219, 240, 270, 288, 292, 320, 324, 360, 365, 405, 432, 438, 480, 540, 576, 584, 648, 657, 720, 730, 810, 864, 876, 960, 1080, 1095, 1168, 1296, 1314, 1440, 1460, 1620, 1728, 1752, 1971, 2160, 2190, 2336, 2592, 2628, 2880, 2920, 3240, 3285, 3504, 3942, 4320, 4380, 4672, 5184, 5256, 5840, 5913, 6480, 6570, 7008, 7884, 8640, 8760, 9855, 10512, 11680, 11826, 12960, 13140, 14016, 15768, 17520, 19710, 21024, 23360, 23652, 25920, 26280, 29565, 31536, 35040, 39420, 42048, 42979, 47304, 52560, 59130, 63072, 70080, 78840, 85958, 94608, 105120, 118260, 126144, 128937, 157680, 171916, 189216, 210240, 214895, 236520, 257874, 315360, 343832, 378432, 386811, 429790, 473040, 515748, 630720, 644685, 687664, 773622, 859580, 946080, 1031496, 1160433, 1289370, 1375328, 1547244, 1719160, 1892160, 1934055, 2062992, 2320866, 2578740, 2750656, 3094488, 3137467, 3438320, 3481299, 3868110, 4125984, 4641732, 5157480, 5802165, 6188976, 6274934, 6876640, 6962598, 7736220, 8251968, 9283464, 9412401, 10314960, 11604330, 12377952, 12549868, 13753280, 13925196, 15472440, 15687335, 17406495, 18566928, 18824802, 20629920, 23208660, 24755904, 25099736, 27850392, 28237203, 30944880, 31374670, 34812990, 37133856, 37649604, 41259840, 46417320, 47062005, 50199472, 55700784, 56474406, 61889760, 62749340, 69625980, 74267712, 75299208, 84711609, 92834640, 94124010, 100398944, 111401568, 112948812, 123779520, 125498680, 139251960, 141186015, 150598416, 169423218, 185669280, 188248020, 200797888, 222803136, 225897624, 250997360, 254134827, 278503920, 282372030, 301196832, 338846436, 371338560, 376496040, 423558045, 451795248, 501994720, 508269654, 557007840, 564744060, 602393664, 677692872, 752992080, 847116090, 903590496, 1003989440, 1016539308, 1114015680, 1129488120, 1270674135, 1355385744, 1505984160, 1694232180, 1807180992, 2033078616, 2258976240, 2541348270, 2710771488, 3011968320, 3388464360, 4066157232, 4517952480, 5082696540, 5421542976, 6776928720, 8132314464, 9035904960, 10165393080, 13553857440, 16264628928, 20330786160, 27107714880, 40661572320, 81323144640]

約数ペア:

[(1, 81323144640), (2, 40661572320), (3, 27107714880), (4, 20330786160), (5, 16264628928), (6, 13553857440), (8, 10165393080), (9, 9035904960), (10, 8132314464), (12, 6776928720), (15, 5421542976), (16, 5082696540), (18, 4517952480), (20, 4066157232), (24, 3388464360), (27, 3011968320), (30, 2710771488), (32, 2541348270), (36, 2258976240), (40, 2033078616), (45, 1807180992), (48, 1694232180), (54, 1505984160), (60, 1355385744), (64, 1270674135), (72, 1129488120), (73, 1114015680), (80, 1016539308), (81, 1003989440), (90, 903590496), (96, 847116090), (108, 752992080), (120, 677692872), (135, 602393664), (144, 564744060), (146, 557007840), (160, 508269654), (162, 501994720), (180, 451795248), (192, 423558045), (216, 376496040), (219, 371338560), (240, 338846436), (270, 301196832), (288, 282372030), (292, 278503920), (320, 254134827), (324, 250997360), (360, 225897624), (365, 222803136), (405, 200797888), (432, 188248020), (438, 185669280), (480, 169423218), (540, 150598416), (576, 141186015), (584, 139251960), (648, 125498680), (657, 123779520), (720, 112948812), (730, 111401568), (810, 100398944), (864, 94124010), (876, 92834640), (960, 84711609), (1080, 75299208), (1095, 74267712), (1168, 69625980), (1296, 62749340), (1314, 61889760), (1440, 56474406), (1460, 55700784), (1620, 50199472), (1728, 47062005), (1752, 46417320), (1971, 41259840), (2160, 37649604), (2190, 37133856), (2336, 34812990), (2592, 31374670), (2628, 30944880), (2880, 28237203), (2920, 27850392), (3240, 25099736), (3285, 24755904), (3504, 23208660), (3942, 20629920), (4320, 18824802), (4380, 18566928), (4672, 17406495), (5184, 15687335), (5256, 15472440), (5840, 13925196), (5913, 13753280), (6480, 12549868), (6570, 12377952), (7008, 11604330), (7884, 10314960), (8640, 9412401), (8760, 9283464), (9855, 8251968), (10512, 7736220), (11680, 6962598), (11826, 6876640), (12960, 6274934), (13140, 6188976), (14016, 5802165), (15768, 5157480), (17520, 4641732), (19710, 4125984), (21024, 3868110), (23360, 3481299), (23652, 3438320), (25920, 3137467), (26280, 3094488), (29565, 2750656), (31536, 2578740), (35040, 2320866), (39420, 2062992), (42048, 1934055), (42979, 1892160), (47304, 1719160), (52560, 1547244), (59130, 1375328), (63072, 1289370), (70080, 1160433), (78840, 1031496), (85958, 946080), (94608, 859580), (105120, 773622), (118260, 687664), (126144, 644685), (128937, 630720), (157680, 515748), (171916, 473040), (189216, 429790), (210240, 386811), (214895, 378432), (236520, 343832), (257874, 315360)]