13858081280

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 240

約数和(自身を含む): 35399957472

約数和(自身を除く): 21541876192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 131, 155, 160, 172, 215, 248, 256, 262, 310, 320, 344, 430, 496, 512, 524, 620, 640, 655, 688, 860, 961, 992, 1048, 1240, 1280, 1310, 1333, 1376, 1720, 1922, 1984, 2096, 2480, 2560, 2620, 2666, 2752, 3440, 3844, 3968, 4061, 4192, 4805, 4960, 5240, 5332, 5504, 5633, 6665, 6880, 7688, 7936, 8122, 8384, 9610, 9920, 10480, 10664, 11008, 11266, 13330, 13760, 15376, 15872, 16244, 16768, 19220, 19840, 20305, 20960, 21328, 22016, 22532, 26660, 27520, 28165, 30752, 32488, 33536, 38440, 39680, 40610, 41323, 41920, 42656, 45064, 53320, 55040, 56330, 61504, 64976, 67072, 76880, 79360, 81220, 82646, 83840, 85312, 90128, 106640, 110080, 112660, 123008, 125891, 129952, 153760, 162440, 165292, 167680, 170624, 174623, 180256, 206615, 213280, 225320, 246016, 251782, 259904, 307520, 324880, 330584, 335360, 341248, 349246, 360512, 413230, 426560, 450640, 492032, 503564, 519808, 615040, 629455, 649760, 661168, 682496, 698492, 721024, 826460, 853120, 873115, 901280, 1007128, 1039616, 1230080, 1258910, 1299520, 1322336, 1396984, 1442048, 1652920, 1706240, 1746230, 1802560, 2014256, 2079232, 2460160, 2517820, 2599040, 2644672, 2793968, 2884096, 3305840, 3412480, 3492460, 3605120, 4028512, 5035640, 5198080, 5289344, 5413313, 5587936, 6611680, 6984920, 7210240, 8057024, 10071280, 10396160, 10578688, 10826626, 11175872, 13223360, 13969840, 14420480, 16114048, 20142560, 21157376, 21653252, 22351744, 26446720, 27066565, 27939680, 32228096, 40285120, 43306504, 44703488, 52893440, 54133130, 55879360, 64456192, 80570240, 86613008, 89406976, 105786880, 108266260, 111758720, 161140480, 173226016, 216532520, 223517440, 322280960, 346452032, 433065040, 447034880, 692904064, 866130080, 1385808128, 1732260160, 2771616256, 3464520320, 6929040640, 13858081280]

約数ペア:

[(1, 13858081280), (2, 6929040640), (4, 3464520320), (5, 2771616256), (8, 1732260160), (10, 1385808128), (16, 866130080), (20, 692904064), (31, 447034880), (32, 433065040), (40, 346452032), (43, 322280960), (62, 223517440), (64, 216532520), (80, 173226016), (86, 161140480), (124, 111758720), (128, 108266260), (131, 105786880), (155, 89406976), (160, 86613008), (172, 80570240), (215, 64456192), (248, 55879360), (256, 54133130), (262, 52893440), (310, 44703488), (320, 43306504), (344, 40285120), (430, 32228096), (496, 27939680), (512, 27066565), (524, 26446720), (620, 22351744), (640, 21653252), (655, 21157376), (688, 20142560), (860, 16114048), (961, 14420480), (992, 13969840), (1048, 13223360), (1240, 11175872), (1280, 10826626), (1310, 10578688), (1333, 10396160), (1376, 10071280), (1720, 8057024), (1922, 7210240), (1984, 6984920), (2096, 6611680), (2480, 5587936), (2560, 5413313), (2620, 5289344), (2666, 5198080), (2752, 5035640), (3440, 4028512), (3844, 3605120), (3968, 3492460), (4061, 3412480), (4192, 3305840), (4805, 2884096), (4960, 2793968), (5240, 2644672), (5332, 2599040), (5504, 2517820), (5633, 2460160), (6665, 2079232), (6880, 2014256), (7688, 1802560), (7936, 1746230), (8122, 1706240), (8384, 1652920), (9610, 1442048), (9920, 1396984), (10480, 1322336), (10664, 1299520), (11008, 1258910), (11266, 1230080), (13330, 1039616), (13760, 1007128), (15376, 901280), (15872, 873115), (16244, 853120), (16768, 826460), (19220, 721024), (19840, 698492), (20305, 682496), (20960, 661168), (21328, 649760), (22016, 629455), (22532, 615040), (26660, 519808), (27520, 503564), (28165, 492032), (30752, 450640), (32488, 426560), (33536, 413230), (38440, 360512), (39680, 349246), (40610, 341248), (41323, 335360), (41920, 330584), (42656, 324880), (45064, 307520), (53320, 259904), (55040, 251782), (56330, 246016), (61504, 225320), (64976, 213280), (67072, 206615), (76880, 180256), (79360, 174623), (81220, 170624), (82646, 167680), (83840, 165292), (85312, 162440), (90128, 153760), (106640, 129952), (110080, 125891), (112660, 123008)]