20327783280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1021}}^1\times {\mathrm{1693}}^1$

素因数の和:2744

約数の個数: 240

約数和(自身を含む): 73419613344

約数和(自身を除く): 53091830064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1021, 1176, 1470, 1680, 1693, 1960, 2042, 2352, 2940, 3063, 3386, 3920, 4084, 5079, 5105, 5880, 6126, 6772, 7147, 8168, 8465, 10158, 10210, 11760, 11851, 12252, 13544, 14294, 15315, 16336, 16930, 20316, 20420, 21441, 23702, 24504, 25395, 27088, 28588, 30630, 33860, 35553, 35735, 40632, 40840, 42882, 47404, 49008, 50029, 50790, 57176, 59255, 61260, 67720, 71106, 71470, 81264, 81680, 82957, 85764, 94808, 100058, 101580, 107205, 114352, 118510, 122520, 135440, 142212, 142940, 150087, 165914, 171528, 177765, 189616, 200116, 203160, 214410, 237020, 245040, 248871, 250145, 284424, 285880, 300174, 331828, 343056, 355530, 400232, 406320, 414785, 428820, 474040, 497742, 500290, 568848, 571760, 600348, 663656, 711060, 750435, 800464, 829570, 857640, 948080, 995484, 1000580, 1200696, 1244355, 1327312, 1422120, 1500870, 1659140, 1715280, 1728553, 1990968, 2001160, 2401392, 2488710, 2844240, 3001740, 3318280, 3457106, 3981936, 4002320, 4977420, 5185659, 6003480, 6636560, 6914212, 8642765, 9954840, 10371318, 12006960, 12099871, 13828424, 17285530, 19909680, 20742636, 24199742, 25928295, 27656848, 34571060, 36299613, 41485272, 48399484, 51856590, 60499355, 69142120, 72599226, 82970544, 84699097, 96798968, 103713180, 120998710, 138284240, 145198452, 169398194, 181498065, 193597936, 207426360, 241997420, 254097291, 290396904, 338796388, 362996130, 414852720, 423495485, 483994840, 508194582, 580793808, 677592776, 725992260, 846990970, 967989680, 1016389164, 1270486455, 1355185552, 1451984520, 1693981940, 2032778328, 2540972910, 2903969040, 3387963880, 4065556656, 5081945820, 6775927760, 10163891640, 20327783280]

約数ペア:

[(1, 20327783280), (2, 10163891640), (3, 6775927760), (4, 5081945820), (5, 4065556656), (6, 3387963880), (7, 2903969040), (8, 2540972910), (10, 2032778328), (12, 1693981940), (14, 1451984520), (15, 1355185552), (16, 1270486455), (20, 1016389164), (21, 967989680), (24, 846990970), (28, 725992260), (30, 677592776), (35, 580793808), (40, 508194582), (42, 483994840), (48, 423495485), (49, 414852720), (56, 362996130), (60, 338796388), (70, 290396904), (80, 254097291), (84, 241997420), (98, 207426360), (105, 193597936), (112, 181498065), (120, 169398194), (140, 145198452), (147, 138284240), (168, 120998710), (196, 103713180), (210, 96798968), (240, 84699097), (245, 82970544), (280, 72599226), (294, 69142120), (336, 60499355), (392, 51856590), (420, 48399484), (490, 41485272), (560, 36299613), (588, 34571060), (735, 27656848), (784, 25928295), (840, 24199742), (980, 20742636), (1021, 19909680), (1176, 17285530), (1470, 13828424), (1680, 12099871), (1693, 12006960), (1960, 10371318), (2042, 9954840), (2352, 8642765), (2940, 6914212), (3063, 6636560), (3386, 6003480), (3920, 5185659), (4084, 4977420), (5079, 4002320), (5105, 3981936), (5880, 3457106), (6126, 3318280), (6772, 3001740), (7147, 2844240), (8168, 2488710), (8465, 2401392), (10158, 2001160), (10210, 1990968), (11760, 1728553), (11851, 1715280), (12252, 1659140), (13544, 1500870), (14294, 1422120), (15315, 1327312), (16336, 1244355), (16930, 1200696), (20316, 1000580), (20420, 995484), (21441, 948080), (23702, 857640), (24504, 829570), (25395, 800464), (27088, 750435), (28588, 711060), (30630, 663656), (33860, 600348), (35553, 571760), (35735, 568848), (40632, 500290), (40840, 497742), (42882, 474040), (47404, 428820), (49008, 414785), (50029, 406320), (50790, 400232), (57176, 355530), (59255, 343056), (61260, 331828), (67720, 300174), (71106, 285880), (71470, 284424), (81264, 250145), (81680, 248871), (82957, 245040), (85764, 237020), (94808, 214410), (100058, 203160), (101580, 200116), (107205, 189616), (114352, 177765), (118510, 171528), (122520, 165914), (135440, 150087), (142212, 142940)]