20685071520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{49363}}^1$

素因数の和:49484

約数の個数: 192

約数和(自身を含む): 73145600640

約数和(自身を除く): 52460529120

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, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 194, 216, 240, 270, 288, 291, 360, 388, 432, 480, 485, 540, 582, 720, 776, 864, 873, 970, 1080, 1164, 1440, 1455, 1552, 1746, 1940, 2160, 2328, 2619, 2910, 3104, 3492, 3880, 4320, 4365, 4656, 5238, 5820, 6984, 7760, 8730, 9312, 10476, 11640, 13095, 13968, 15520, 17460, 20952, 23280, 26190, 27936, 34920, 41904, 46560, 49363, 52380, 69840, 83808, 98726, 104760, 139680, 148089, 197452, 209520, 246815, 296178, 394904, 419040, 444267, 493630, 592356, 740445, 789808, 888534, 987260, 1184712, 1332801, 1480890, 1579616, 1777068, 1974520, 2221335, 2369424, 2665602, 2961780, 3554136, 3949040, 4442670, 4738848, 4788211, 5331204, 5923560, 6664005, 7108272, 7898080, 8885340, 9576422, 10662408, 11847120, 13328010, 14216544, 14364633, 17770680, 19152844, 21324816, 23694240, 23941055, 26656020, 28729266, 35541360, 38305688, 42649632, 43093899, 47882110, 53312040, 57458532, 71082720, 71823165, 76611376, 86187798, 95764220, 106624080, 114917064, 129281697, 143646330, 153222752, 172375596, 191528440, 213248160, 215469495, 229834128, 258563394, 287292660, 344751192, 383056880, 430938990, 459668256, 517126788, 574585320, 646408485, 689502384, 766113760, 861877980, 1034253576, 1149170640, 1292816970, 1379004768, 1723755960, 2068507152, 2298341280, 2585633940, 3447511920, 4137014304, 5171267880, 6895023840, 10342535760, 20685071520]

約数ペア:

[(1, 20685071520), (2, 10342535760), (3, 6895023840), (4, 5171267880), (5, 4137014304), (6, 3447511920), (8, 2585633940), (9, 2298341280), (10, 2068507152), (12, 1723755960), (15, 1379004768), (16, 1292816970), (18, 1149170640), (20, 1034253576), (24, 861877980), (27, 766113760), (30, 689502384), (32, 646408485), (36, 574585320), (40, 517126788), (45, 459668256), (48, 430938990), (54, 383056880), (60, 344751192), (72, 287292660), (80, 258563394), (90, 229834128), (96, 215469495), (97, 213248160), (108, 191528440), (120, 172375596), (135, 153222752), (144, 143646330), (160, 129281697), (180, 114917064), (194, 106624080), (216, 95764220), (240, 86187798), (270, 76611376), (288, 71823165), (291, 71082720), (360, 57458532), (388, 53312040), (432, 47882110), (480, 43093899), (485, 42649632), (540, 38305688), (582, 35541360), (720, 28729266), (776, 26656020), (864, 23941055), (873, 23694240), (970, 21324816), (1080, 19152844), (1164, 17770680), (1440, 14364633), (1455, 14216544), (1552, 13328010), (1746, 11847120), (1940, 10662408), (2160, 9576422), (2328, 8885340), (2619, 7898080), (2910, 7108272), (3104, 6664005), (3492, 5923560), (3880, 5331204), (4320, 4788211), (4365, 4738848), (4656, 4442670), (5238, 3949040), (5820, 3554136), (6984, 2961780), (7760, 2665602), (8730, 2369424), (9312, 2221335), (10476, 1974520), (11640, 1777068), (13095, 1579616), (13968, 1480890), (15520, 1332801), (17460, 1184712), (20952, 987260), (23280, 888534), (26190, 789808), (27936, 740445), (34920, 592356), (41904, 493630), (46560, 444267), (49363, 419040), (52380, 394904), (69840, 296178), (83808, 246815), (98726, 209520), (104760, 197452), (139680, 148089)]