71511440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 320

約数和(自身を含む): 239984640

約数和(自身を除く): 168473200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 19, 20, 22, 26, 28, 35, 38, 40, 44, 47, 52, 55, 56, 65, 70, 76, 77, 80, 88, 91, 94, 95, 104, 110, 112, 130, 133, 140, 143, 152, 154, 176, 182, 188, 190, 208, 209, 220, 235, 247, 260, 266, 280, 286, 304, 308, 329, 364, 376, 380, 385, 418, 440, 455, 470, 494, 517, 520, 532, 560, 572, 611, 616, 658, 665, 715, 728, 752, 760, 770, 836, 880, 893, 910, 940, 988, 1001, 1034, 1040, 1045, 1064, 1144, 1222, 1232, 1235, 1316, 1330, 1430, 1456, 1463, 1520, 1540, 1645, 1672, 1729, 1786, 1820, 1880, 1976, 2002, 2068, 2090, 2128, 2288, 2444, 2470, 2585, 2632, 2660, 2717, 2860, 2926, 3055, 3080, 3290, 3344, 3458, 3572, 3619, 3640, 3760, 3952, 4004, 4136, 4180, 4277, 4465, 4888, 4940, 5005, 5170, 5264, 5320, 5434, 5720, 5852, 6110, 6160, 6251, 6580, 6721, 6916, 7144, 7238, 7280, 7315, 8008, 8272, 8360, 8554, 8645, 8930, 9776, 9823, 9880, 10010, 10340, 10640, 10868, 11440, 11609, 11704, 12220, 12502, 13160, 13442, 13585, 13832, 14288, 14476, 14630, 16016, 16720, 17108, 17290, 17860, 18095, 19019, 19646, 19760, 20020, 20680, 21385, 21736, 23218, 23408, 24440, 25004, 26320, 26884, 27170, 27664, 28952, 29260, 31255, 33605, 34216, 34580, 35720, 36190, 38038, 39292, 40040, 41360, 42770, 43472, 46436, 47047, 48880, 49115, 50008, 53768, 54340, 57904, 58045, 58520, 62510, 67210, 68432, 68761, 69160, 71440, 72380, 76076, 78584, 80080, 81263, 85540, 92872, 94094, 95095, 98230, 100016, 107536, 108680, 116090, 117040, 125020, 127699, 134420, 137522, 138320, 144760, 152152, 157168, 162526, 171080, 185744, 188188, 190190, 196460, 217360, 232180, 235235, 250040, 255398, 268840, 275044, 289520, 304304, 325052, 342160, 343805, 376376, 380380, 392920, 406315, 464360, 470470, 500080, 510796, 537680, 550088, 638495, 650104, 687610, 752752, 760760, 785840, 812630, 893893, 928720, 940940, 1021592, 1100176, 1276990, 1300208, 1375220, 1521520, 1625260, 1787786, 1881880, 2043184, 2553980, 2750440, 3250520, 3575572, 3763760, 4469465, 5107960, 5500880, 6501040, 7151144, 8938930, 10215920, 14302288, 17877860, 35755720, 71511440]

約数ペア:

[(1, 71511440), (2, 35755720), (4, 17877860), (5, 14302288), (7, 10215920), (8, 8938930), (10, 7151144), (11, 6501040), (13, 5500880), (14, 5107960), (16, 4469465), (19, 3763760), (20, 3575572), (22, 3250520), (26, 2750440), (28, 2553980), (35, 2043184), (38, 1881880), (40, 1787786), (44, 1625260), (47, 1521520), (52, 1375220), (55, 1300208), (56, 1276990), (65, 1100176), (70, 1021592), (76, 940940), (77, 928720), (80, 893893), (88, 812630), (91, 785840), (94, 760760), (95, 752752), (104, 687610), (110, 650104), (112, 638495), (130, 550088), (133, 537680), (140, 510796), (143, 500080), (152, 470470), (154, 464360), (176, 406315), (182, 392920), (188, 380380), (190, 376376), (208, 343805), (209, 342160), (220, 325052), (235, 304304), (247, 289520), (260, 275044), (266, 268840), (280, 255398), (286, 250040), (304, 235235), (308, 232180), (329, 217360), (364, 196460), (376, 190190), (380, 188188), (385, 185744), (418, 171080), (440, 162526), (455, 157168), (470, 152152), (494, 144760), (517, 138320), (520, 137522), (532, 134420), (560, 127699), (572, 125020), (611, 117040), (616, 116090), (658, 108680), (665, 107536), (715, 100016), (728, 98230), (752, 95095), (760, 94094), (770, 92872), (836, 85540), (880, 81263), (893, 80080), (910, 78584), (940, 76076), (988, 72380), (1001, 71440), (1034, 69160), (1040, 68761), (1045, 68432), (1064, 67210), (1144, 62510), (1222, 58520), (1232, 58045), (1235, 57904), (1316, 54340), (1330, 53768), (1430, 50008), (1456, 49115), (1463, 48880), (1520, 47047), (1540, 46436), (1645, 43472), (1672, 42770), (1729, 41360), (1786, 40040), (1820, 39292), (1880, 38038), (1976, 36190), (2002, 35720), (2068, 34580), (2090, 34216), (2128, 33605), (2288, 31255), (2444, 29260), (2470, 28952), (2585, 27664), (2632, 27170), (2660, 26884), (2717, 26320), (2860, 25004), (2926, 24440), (3055, 23408), (3080, 23218), (3290, 21736), (3344, 21385), (3458, 20680), (3572, 20020), (3619, 19760), (3640, 19646), (3760, 19019), (3952, 18095), (4004, 17860), (4136, 17290), (4180, 17108), (4277, 16720), (4465, 16016), (4888, 14630), (4940, 14476), (5005, 14288), (5170, 13832), (5264, 13585), (5320, 13442), (5434, 13160), (5720, 12502), (5852, 12220), (6110, 11704), (6160, 11609), (6251, 11440), (6580, 10868), (6721, 10640), (6916, 10340), (7144, 10010), (7238, 9880), (7280, 9823), (7315, 9776), (8008, 8930), (8272, 8645), (8360, 8554)]