820525440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{61051}}^1$

素因数の和:61080

約数の個数: 128

約数和(自身を含む): 2989105920

約数和(自身を除く): 2168580480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 61051, 122102, 183153, 244204, 305255, 366306, 427357, 488408, 610510, 732612, 854714, 915765, 976816, 1221020, 1282071, 1465224, 1709428, 1831530, 1953632, 2136785, 2442040, 2564142, 2930448, 3418856, 3663060, 3907264, 4273570, 4884080, 5128284, 5860896, 6410355, 6837712, 7326120, 7814528, 8547140, 9768160, 10256568, 11721792, 12820710, 13675424, 14652240, 17094280, 19536320, 20513136, 23443584, 25641420, 27350848, 29304480, 34188560, 39072640, 41026272, 51282840, 54701696, 58608960, 68377120, 82052544, 102565680, 117217920, 136754240, 164105088, 205131360, 273508480, 410262720, 820525440]

約数ペア:

[(1, 820525440), (2, 410262720), (3, 273508480), (4, 205131360), (5, 164105088), (6, 136754240), (7, 117217920), (8, 102565680), (10, 82052544), (12, 68377120), (14, 58608960), (15, 54701696), (16, 51282840), (20, 41026272), (21, 39072640), (24, 34188560), (28, 29304480), (30, 27350848), (32, 25641420), (35, 23443584), (40, 20513136), (42, 19536320), (48, 17094280), (56, 14652240), (60, 13675424), (64, 12820710), (70, 11721792), (80, 10256568), (84, 9768160), (96, 8547140), (105, 7814528), (112, 7326120), (120, 6837712), (128, 6410355), (140, 5860896), (160, 5128284), (168, 4884080), (192, 4273570), (210, 3907264), (224, 3663060), (240, 3418856), (280, 2930448), (320, 2564142), (336, 2442040), (384, 2136785), (420, 1953632), (448, 1831530), (480, 1709428), (560, 1465224), (640, 1282071), (672, 1221020), (840, 976816), (896, 915765), (960, 854714), (1120, 732612), (1344, 610510), (1680, 488408), (1920, 427357), (2240, 366306), (2688, 305255), (3360, 244204), (4480, 183153), (6720, 122102), (13440, 61051)]