687674240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 1945866240

約数和(自身を除く): 1258192000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 64, 80, 88, 92, 110, 115, 124, 128, 137, 155, 160, 176, 184, 220, 230, 248, 253, 274, 310, 320, 341, 352, 368, 440, 460, 496, 506, 548, 620, 640, 682, 685, 704, 713, 736, 880, 920, 992, 1012, 1096, 1240, 1265, 1364, 1370, 1408, 1426, 1472, 1507, 1705, 1760, 1840, 1984, 2024, 2192, 2480, 2530, 2728, 2740, 2852, 2944, 3014, 3151, 3410, 3520, 3565, 3680, 3968, 4048, 4247, 4384, 4960, 5060, 5456, 5480, 5704, 6028, 6302, 6820, 7040, 7130, 7360, 7535, 7843, 8096, 8494, 8768, 9920, 10120, 10912, 10960, 11408, 12056, 12604, 13640, 14260, 14720, 15070, 15686, 15755, 16192, 16988, 17536, 19840, 20240, 21235, 21824, 21920, 22816, 24112, 25208, 27280, 28520, 30140, 31372, 31510, 32384, 33976, 34661, 39215, 40480, 42470, 43648, 43840, 45632, 46717, 48224, 50416, 54560, 57040, 60280, 62744, 63020, 67952, 69322, 78430, 80960, 84940, 87680, 91264, 93434, 96448, 97681, 100832, 109120, 114080, 120560, 125488, 126040, 135904, 138644, 156860, 161920, 169880, 173305, 186868, 192896, 195362, 201664, 218240, 228160, 233585, 241120, 250976, 252080, 271808, 277288, 313720, 339760, 346610, 373736, 390724, 403328, 456320, 467170, 482240, 488405, 501952, 504160, 543616, 554576, 627440, 679520, 693220, 747472, 781448, 934340, 964480, 976810, 1003904, 1008320, 1074491, 1109152, 1254880, 1359040, 1386440, 1494944, 1562896, 1868680, 1953620, 2016640, 2148982, 2218304, 2509760, 2718080, 2772880, 2989888, 3125792, 3737360, 3907240, 4297964, 4436608, 5019520, 5372455, 5545760, 5979776, 6251584, 7474720, 7814480, 8595928, 10744910, 11091520, 12503168, 14949440, 15628960, 17191856, 21489820, 22183040, 29898880, 31257920, 34383712, 42979640, 62515840, 68767424, 85959280, 137534848, 171918560, 343837120, 687674240]

約数ペア:

[(1, 687674240), (2, 343837120), (4, 171918560), (5, 137534848), (8, 85959280), (10, 68767424), (11, 62515840), (16, 42979640), (20, 34383712), (22, 31257920), (23, 29898880), (31, 22183040), (32, 21489820), (40, 17191856), (44, 15628960), (46, 14949440), (55, 12503168), (62, 11091520), (64, 10744910), (80, 8595928), (88, 7814480), (92, 7474720), (110, 6251584), (115, 5979776), (124, 5545760), (128, 5372455), (137, 5019520), (155, 4436608), (160, 4297964), (176, 3907240), (184, 3737360), (220, 3125792), (230, 2989888), (248, 2772880), (253, 2718080), (274, 2509760), (310, 2218304), (320, 2148982), (341, 2016640), (352, 1953620), (368, 1868680), (440, 1562896), (460, 1494944), (496, 1386440), (506, 1359040), (548, 1254880), (620, 1109152), (640, 1074491), (682, 1008320), (685, 1003904), (704, 976810), (713, 964480), (736, 934340), (880, 781448), (920, 747472), (992, 693220), (1012, 679520), (1096, 627440), (1240, 554576), (1265, 543616), (1364, 504160), (1370, 501952), (1408, 488405), (1426, 482240), (1472, 467170), (1507, 456320), (1705, 403328), (1760, 390724), (1840, 373736), (1984, 346610), (2024, 339760), (2192, 313720), (2480, 277288), (2530, 271808), (2728, 252080), (2740, 250976), (2852, 241120), (2944, 233585), (3014, 228160), (3151, 218240), (3410, 201664), (3520, 195362), (3565, 192896), (3680, 186868), (3968, 173305), (4048, 169880), (4247, 161920), (4384, 156860), (4960, 138644), (5060, 135904), (5456, 126040), (5480, 125488), (5704, 120560), (6028, 114080), (6302, 109120), (6820, 100832), (7040, 97681), (7130, 96448), (7360, 93434), (7535, 91264), (7843, 87680), (8096, 84940), (8494, 80960), (8768, 78430), (9920, 69322), (10120, 67952), (10912, 63020), (10960, 62744), (11408, 60280), (12056, 57040), (12604, 54560), (13640, 50416), (14260, 48224), (14720, 46717), (15070, 45632), (15686, 43840), (15755, 43648), (16192, 42470), (16988, 40480), (17536, 39215), (19840, 34661), (20240, 33976), (21235, 32384), (21824, 31510), (21920, 31372), (22816, 30140), (24112, 28520), (25208, 27280)]