54781760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 112

約数和(自身を含む): 144840960

約数和(自身を除く): 90059200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 158, 160, 176, 197, 220, 316, 320, 352, 394, 395, 440, 632, 704, 788, 790, 869, 880, 985, 1264, 1576, 1580, 1738, 1760, 1970, 2167, 2528, 3152, 3160, 3476, 3520, 3940, 4334, 4345, 5056, 6304, 6320, 6952, 7880, 8668, 8690, 10835, 12608, 12640, 13904, 15563, 15760, 17336, 17380, 21670, 25280, 27808, 31126, 31520, 34672, 34760, 43340, 55616, 62252, 63040, 69344, 69520, 77815, 86680, 124504, 138688, 139040, 155630, 171193, 173360, 249008, 278080, 311260, 342386, 346720, 498016, 622520, 684772, 693440, 855965, 996032, 1245040, 1369544, 1711930, 2490080, 2739088, 3423860, 4980160, 5478176, 6847720, 10956352, 13695440, 27390880, 54781760]

約数ペア:

[(1, 54781760), (2, 27390880), (4, 13695440), (5, 10956352), (8, 6847720), (10, 5478176), (11, 4980160), (16, 3423860), (20, 2739088), (22, 2490080), (32, 1711930), (40, 1369544), (44, 1245040), (55, 996032), (64, 855965), (79, 693440), (80, 684772), (88, 622520), (110, 498016), (158, 346720), (160, 342386), (176, 311260), (197, 278080), (220, 249008), (316, 173360), (320, 171193), (352, 155630), (394, 139040), (395, 138688), (440, 124504), (632, 86680), (704, 77815), (788, 69520), (790, 69344), (869, 63040), (880, 62252), (985, 55616), (1264, 43340), (1576, 34760), (1580, 34672), (1738, 31520), (1760, 31126), (1970, 27808), (2167, 25280), (2528, 21670), (3152, 17380), (3160, 17336), (3476, 15760), (3520, 15563), (3940, 13904), (4334, 12640), (4345, 12608), (5056, 10835), (6304, 8690), (6320, 8668), (6952, 7880)]