18555679920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1992

約数の個数: 240

約数和(自身を含む): 60852819456

約数和(自身を除く): 42297139536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 688, 744, 860, 930, 961, 1032, 1240, 1290, 1333, 1488, 1720, 1860, 1871, 1922, 2064, 2480, 2580, 2666, 2883, 3440, 3720, 3742, 3844, 3999, 4805, 5160, 5332, 5613, 5766, 6665, 7440, 7484, 7688, 7998, 9355, 9610, 10320, 10664, 11226, 11532, 13330, 14415, 14968, 15376, 15996, 18710, 19220, 19995, 21328, 22452, 23064, 26660, 28065, 28830, 29936, 31992, 37420, 38440, 39990, 41323, 44904, 46128, 53320, 56130, 57660, 58001, 63984, 74840, 76880, 79980, 80453, 82646, 89808, 106640, 112260, 115320, 116002, 123969, 149680, 159960, 160906, 165292, 174003, 206615, 224520, 230640, 232004, 241359, 247938, 290005, 319920, 321812, 330584, 348006, 402265, 413230, 449040, 464008, 482718, 495876, 580010, 619845, 643624, 661168, 696012, 804530, 826460, 870015, 928016, 965436, 991752, 1160020, 1206795, 1239690, 1287248, 1392024, 1609060, 1652920, 1740030, 1798031, 1930872, 1983504, 2320040, 2413590, 2479380, 2494043, 2784048, 3218120, 3305840, 3480060, 3596062, 3861744, 4640080, 4827180, 4958760, 4988086, 5394093, 6436240, 6960120, 7192124, 7482129, 8990155, 9654360, 9917520, 9976172, 10788186, 12470215, 13920240, 14384248, 14964258, 17980310, 19308720, 19952344, 21576372, 24940430, 26970465, 28768496, 29928516, 35960620, 37410645, 39904688, 43152744, 49880860, 53940930, 59857032, 71921240, 74821290, 77315333, 86305488, 99761720, 107881860, 119714064, 143842480, 149642580, 154630666, 199523440, 215763720, 231945999, 299285160, 309261332, 386576665, 431527440, 463891998, 598570320, 618522664, 773153330, 927783996, 1159729995, 1237045328, 1546306660, 1855567992, 2319459990, 3092613320, 3711135984, 4638919980, 6185226640, 9277839960, 18555679920]

約数ペア:

[(1, 18555679920), (2, 9277839960), (3, 6185226640), (4, 4638919980), (5, 3711135984), (6, 3092613320), (8, 2319459990), (10, 1855567992), (12, 1546306660), (15, 1237045328), (16, 1159729995), (20, 927783996), (24, 773153330), (30, 618522664), (31, 598570320), (40, 463891998), (43, 431527440), (48, 386576665), (60, 309261332), (62, 299285160), (80, 231945999), (86, 215763720), (93, 199523440), (120, 154630666), (124, 149642580), (129, 143842480), (155, 119714064), (172, 107881860), (186, 99761720), (215, 86305488), (240, 77315333), (248, 74821290), (258, 71921240), (310, 59857032), (344, 53940930), (372, 49880860), (430, 43152744), (465, 39904688), (496, 37410645), (516, 35960620), (620, 29928516), (645, 28768496), (688, 26970465), (744, 24940430), (860, 21576372), (930, 19952344), (961, 19308720), (1032, 17980310), (1240, 14964258), (1290, 14384248), (1333, 13920240), (1488, 12470215), (1720, 10788186), (1860, 9976172), (1871, 9917520), (1922, 9654360), (2064, 8990155), (2480, 7482129), (2580, 7192124), (2666, 6960120), (2883, 6436240), (3440, 5394093), (3720, 4988086), (3742, 4958760), (3844, 4827180), (3999, 4640080), (4805, 3861744), (5160, 3596062), (5332, 3480060), (5613, 3305840), (5766, 3218120), (6665, 2784048), (7440, 2494043), (7484, 2479380), (7688, 2413590), (7998, 2320040), (9355, 1983504), (9610, 1930872), (10320, 1798031), (10664, 1740030), (11226, 1652920), (11532, 1609060), (13330, 1392024), (14415, 1287248), (14968, 1239690), (15376, 1206795), (15996, 1160020), (18710, 991752), (19220, 965436), (19995, 928016), (21328, 870015), (22452, 826460), (23064, 804530), (26660, 696012), (28065, 661168), (28830, 643624), (29936, 619845), (31992, 580010), (37420, 495876), (38440, 482718), (39990, 464008), (41323, 449040), (44904, 413230), (46128, 402265), (53320, 348006), (56130, 330584), (57660, 321812), (58001, 319920), (63984, 290005), (74840, 247938), (76880, 241359), (79980, 232004), (80453, 230640), (82646, 224520), (89808, 206615), (106640, 174003), (112260, 165292), (115320, 160906), (116002, 159960), (123969, 149680)]