256704180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1869

約数の個数: 96

約数和(自身を含む): 751779840

約数和(自身を除く): 495075660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 79, 93, 124, 155, 158, 186, 237, 310, 316, 372, 395, 465, 474, 620, 790, 930, 948, 1185, 1580, 1747, 1860, 2370, 2449, 3494, 4740, 4898, 5241, 6988, 7347, 8735, 9796, 10482, 12245, 14694, 17470, 20964, 24490, 26205, 29388, 34940, 36735, 48980, 52410, 54157, 73470, 104820, 108314, 138013, 146940, 162471, 216628, 270785, 276026, 324942, 414039, 541570, 552052, 649884, 690065, 812355, 828078, 1083140, 1380130, 1624710, 1656156, 2070195, 2760260, 3249420, 4140390, 4278403, 8280780, 8556806, 12835209, 17113612, 21392015, 25670418, 42784030, 51340836, 64176045, 85568060, 128352090, 256704180]

約数ペア:

[(1, 256704180), (2, 128352090), (3, 85568060), (4, 64176045), (5, 51340836), (6, 42784030), (10, 25670418), (12, 21392015), (15, 17113612), (20, 12835209), (30, 8556806), (31, 8280780), (60, 4278403), (62, 4140390), (79, 3249420), (93, 2760260), (124, 2070195), (155, 1656156), (158, 1624710), (186, 1380130), (237, 1083140), (310, 828078), (316, 812355), (372, 690065), (395, 649884), (465, 552052), (474, 541570), (620, 414039), (790, 324942), (930, 276026), (948, 270785), (1185, 216628), (1580, 162471), (1747, 146940), (1860, 138013), (2370, 108314), (2449, 104820), (3494, 73470), (4740, 54157), (4898, 52410), (5241, 48980), (6988, 36735), (7347, 34940), (8735, 29388), (9796, 26205), (10482, 24490), (12245, 20964), (14694, 17470)]