311734720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 168

約数和(自身を含む): 834280272

約数和(自身を除く): 522545552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 97, 110, 121, 160, 166, 176, 194, 220, 242, 320, 332, 352, 388, 415, 440, 484, 485, 605, 664, 704, 776, 830, 880, 913, 968, 970, 1067, 1210, 1328, 1552, 1660, 1760, 1826, 1936, 1940, 2134, 2420, 2656, 3104, 3320, 3520, 3652, 3872, 3880, 4268, 4565, 4840, 5312, 5335, 6208, 6640, 7304, 7744, 7760, 8051, 8536, 9130, 9680, 10043, 10670, 11737, 13280, 14608, 15520, 16102, 17072, 18260, 19360, 20086, 21340, 23474, 26560, 29216, 31040, 32204, 34144, 36520, 38720, 40172, 40255, 42680, 46948, 50215, 58432, 58685, 64408, 68288, 73040, 80344, 80510, 85360, 88561, 93896, 100430, 117370, 128816, 146080, 160688, 161020, 170720, 177122, 187792, 200860, 234740, 257632, 292160, 321376, 322040, 341440, 354244, 375584, 401720, 442805, 469480, 515264, 642752, 644080, 708488, 751168, 803440, 885610, 938960, 974171, 1288160, 1416976, 1606880, 1771220, 1877920, 1948342, 2576320, 2833952, 3213760, 3542440, 3755840, 3896684, 4870855, 5667904, 7084880, 7793368, 9741710, 14169760, 15586736, 19483420, 28339520, 31173472, 38966840, 62346944, 77933680, 155867360, 311734720]

約数ペア:

[(1, 311734720), (2, 155867360), (4, 77933680), (5, 62346944), (8, 38966840), (10, 31173472), (11, 28339520), (16, 19483420), (20, 15586736), (22, 14169760), (32, 9741710), (40, 7793368), (44, 7084880), (55, 5667904), (64, 4870855), (80, 3896684), (83, 3755840), (88, 3542440), (97, 3213760), (110, 2833952), (121, 2576320), (160, 1948342), (166, 1877920), (176, 1771220), (194, 1606880), (220, 1416976), (242, 1288160), (320, 974171), (332, 938960), (352, 885610), (388, 803440), (415, 751168), (440, 708488), (484, 644080), (485, 642752), (605, 515264), (664, 469480), (704, 442805), (776, 401720), (830, 375584), (880, 354244), (913, 341440), (968, 322040), (970, 321376), (1067, 292160), (1210, 257632), (1328, 234740), (1552, 200860), (1660, 187792), (1760, 177122), (1826, 170720), (1936, 161020), (1940, 160688), (2134, 146080), (2420, 128816), (2656, 117370), (3104, 100430), (3320, 93896), (3520, 88561), (3652, 85360), (3872, 80510), (3880, 80344), (4268, 73040), (4565, 68288), (4840, 64408), (5312, 58685), (5335, 58432), (6208, 50215), (6640, 46948), (7304, 42680), (7744, 40255), (7760, 40172), (8051, 38720), (8536, 36520), (9130, 34144), (9680, 32204), (10043, 31040), (10670, 29216), (11737, 26560), (13280, 23474), (14608, 21340), (15520, 20086), (16102, 19360), (17072, 18260)]