313612640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 827711136

約数和(自身を除く): 514098496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 121, 160, 167, 176, 194, 220, 242, 334, 352, 388, 440, 484, 485, 605, 668, 776, 835, 880, 968, 970, 1067, 1210, 1336, 1552, 1670, 1760, 1837, 1936, 1940, 2134, 2420, 2672, 3104, 3340, 3674, 3872, 3880, 4268, 4840, 5335, 5344, 6680, 7348, 7760, 8536, 9185, 9680, 10670, 11737, 13360, 14696, 15520, 16199, 17072, 18370, 19360, 20207, 21340, 23474, 26720, 29392, 32398, 34144, 36740, 40414, 42680, 46948, 58685, 58784, 64796, 73480, 80828, 80995, 85360, 93896, 101035, 117370, 129592, 146960, 161656, 161990, 170720, 178189, 187792, 202070, 234740, 259184, 293920, 323312, 323980, 356378, 375584, 404140, 469480, 518368, 646624, 647960, 712756, 808280, 890945, 938960, 1295920, 1425512, 1616560, 1781890, 1877920, 1960079, 2591840, 2851024, 3233120, 3563780, 3920158, 5702048, 7127560, 7840316, 9800395, 14255120, 15680632, 19600790, 28510240, 31361264, 39201580, 62722528, 78403160, 156806320, 313612640]

約数ペア:

[(1, 313612640), (2, 156806320), (4, 78403160), (5, 62722528), (8, 39201580), (10, 31361264), (11, 28510240), (16, 19600790), (20, 15680632), (22, 14255120), (32, 9800395), (40, 7840316), (44, 7127560), (55, 5702048), (80, 3920158), (88, 3563780), (97, 3233120), (110, 2851024), (121, 2591840), (160, 1960079), (167, 1877920), (176, 1781890), (194, 1616560), (220, 1425512), (242, 1295920), (334, 938960), (352, 890945), (388, 808280), (440, 712756), (484, 647960), (485, 646624), (605, 518368), (668, 469480), (776, 404140), (835, 375584), (880, 356378), (968, 323980), (970, 323312), (1067, 293920), (1210, 259184), (1336, 234740), (1552, 202070), (1670, 187792), (1760, 178189), (1837, 170720), (1936, 161990), (1940, 161656), (2134, 146960), (2420, 129592), (2672, 117370), (3104, 101035), (3340, 93896), (3674, 85360), (3872, 80995), (3880, 80828), (4268, 73480), (4840, 64796), (5335, 58784), (5344, 58685), (6680, 46948), (7348, 42680), (7760, 40414), (8536, 36740), (9185, 34144), (9680, 32398), (10670, 29392), (11737, 26720), (13360, 23474), (14696, 21340), (15520, 20207), (16199, 19360), (17072, 18370)]