20789101440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70769}}^1$

素因数の和:70814

約数の個数: 256

約数和(自身を含む): 77960232000

約数和(自身を除く): 57171130560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5440, 5760, 6120, 6528, 7344, 8160, 8640, 9180, 9792, 10880, 12240, 14688, 16320, 17280, 18360, 19584, 24480, 29376, 32640, 36720, 48960, 58752, 70769, 73440, 97920, 141538, 146880, 212307, 283076, 293760, 353845, 424614, 566152, 636921, 707690, 849228, 1061535, 1132304, 1203073, 1273842, 1415380, 1698456, 1910763, 2123070, 2264608, 2406146, 2547684, 2830760, 3184605, 3396912, 3609219, 3821526, 4246140, 4529216, 4812292, 5095368, 5661520, 6015365, 6369210, 6793824, 7218438, 7643052, 8492280, 9058432, 9553815, 9624584, 10190736, 10827657, 11323040, 12030730, 12738420, 13587648, 14436876, 15286104, 16984560, 18046095, 19107630, 19249168, 20381472, 21655314, 22646080, 24061460, 25476840, 27175296, 28873752, 30572208, 32482971, 33969120, 36092190, 38215260, 38498336, 40762944, 43310628, 45292160, 48122920, 50953680, 54138285, 57747504, 61144416, 64965942, 67938240, 72184380, 76430520, 76996672, 81525888, 86621256, 96245840, 101907360, 108276570, 115495008, 122288832, 129931884, 135876480, 144368760, 152861040, 153993344, 162414855, 173242512, 192491680, 203814720, 216553140, 230990016, 244577664, 259863768, 288737520, 305722080, 324829710, 346485024, 384983360, 407629440, 433106280, 461980032, 519727536, 577475040, 611444160, 649659420, 692970048, 769966720, 866212560, 1039455072, 1154950080, 1222888320, 1299318840, 1385940096, 1732425120, 2078910144, 2309900160, 2598637680, 3464850240, 4157820288, 5197275360, 6929700480, 10394550720, 20789101440]

約数ペア:

[(1, 20789101440), (2, 10394550720), (3, 6929700480), (4, 5197275360), (5, 4157820288), (6, 3464850240), (8, 2598637680), (9, 2309900160), (10, 2078910144), (12, 1732425120), (15, 1385940096), (16, 1299318840), (17, 1222888320), (18, 1154950080), (20, 1039455072), (24, 866212560), (27, 769966720), (30, 692970048), (32, 649659420), (34, 611444160), (36, 577475040), (40, 519727536), (45, 461980032), (48, 433106280), (51, 407629440), (54, 384983360), (60, 346485024), (64, 324829710), (68, 305722080), (72, 288737520), (80, 259863768), (85, 244577664), (90, 230990016), (96, 216553140), (102, 203814720), (108, 192491680), (120, 173242512), (128, 162414855), (135, 153993344), (136, 152861040), (144, 144368760), (153, 135876480), (160, 129931884), (170, 122288832), (180, 115495008), (192, 108276570), (204, 101907360), (216, 96245840), (240, 86621256), (255, 81525888), (270, 76996672), (272, 76430520), (288, 72184380), (306, 67938240), (320, 64965942), (340, 61144416), (360, 57747504), (384, 54138285), (408, 50953680), (432, 48122920), (459, 45292160), (480, 43310628), (510, 40762944), (540, 38498336), (544, 38215260), (576, 36092190), (612, 33969120), (640, 32482971), (680, 30572208), (720, 28873752), (765, 27175296), (816, 25476840), (864, 24061460), (918, 22646080), (960, 21655314), (1020, 20381472), (1080, 19249168), (1088, 19107630), (1152, 18046095), (1224, 16984560), (1360, 15286104), (1440, 14436876), (1530, 13587648), (1632, 12738420), (1728, 12030730), (1836, 11323040), (1920, 10827657), (2040, 10190736), (2160, 9624584), (2176, 9553815), (2295, 9058432), (2448, 8492280), (2720, 7643052), (2880, 7218438), (3060, 6793824), (3264, 6369210), (3456, 6015365), (3672, 5661520), (4080, 5095368), (4320, 4812292), (4590, 4529216), (4896, 4246140), (5440, 3821526), (5760, 3609219), (6120, 3396912), (6528, 3184605), (7344, 2830760), (8160, 2547684), (8640, 2406146), (9180, 2264608), (9792, 2123070), (10880, 1910763), (12240, 1698456), (14688, 1415380), (16320, 1273842), (17280, 1203073), (18360, 1132304), (19584, 1061535), (24480, 849228), (29376, 707690), (32640, 636921), (36720, 566152), (48960, 424614), (58752, 353845), (70769, 293760), (73440, 283076), (97920, 212307), (141538, 146880)]