254416560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 843374592

約数和(自身を除く): 588958032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 127, 136, 170, 204, 240, 254, 255, 272, 340, 381, 408, 491, 508, 510, 635, 680, 762, 816, 982, 1016, 1020, 1270, 1360, 1473, 1524, 1905, 1964, 2032, 2040, 2159, 2455, 2540, 2946, 3048, 3810, 3928, 4080, 4318, 4910, 5080, 5892, 6096, 6477, 7365, 7620, 7856, 8347, 8636, 9820, 10160, 10795, 11784, 12954, 14730, 15240, 16694, 17272, 19640, 21590, 23568, 25041, 25908, 29460, 30480, 32385, 33388, 34544, 39280, 41735, 43180, 50082, 51816, 58920, 62357, 64770, 66776, 83470, 86360, 100164, 103632, 117840, 124714, 125205, 129540, 133552, 166940, 172720, 187071, 200328, 249428, 250410, 259080, 311785, 333880, 374142, 400656, 498856, 500820, 518160, 623570, 667760, 748284, 935355, 997712, 1001640, 1060069, 1247140, 1496568, 1870710, 2003280, 2120138, 2494280, 2993136, 3180207, 3741420, 4240276, 4988560, 5300345, 6360414, 7482840, 8480552, 10600690, 12720828, 14965680, 15901035, 16961104, 21201380, 25441656, 31802070, 42402760, 50883312, 63604140, 84805520, 127208280, 254416560]

約数ペア:

[(1, 254416560), (2, 127208280), (3, 84805520), (4, 63604140), (5, 50883312), (6, 42402760), (8, 31802070), (10, 25441656), (12, 21201380), (15, 16961104), (16, 15901035), (17, 14965680), (20, 12720828), (24, 10600690), (30, 8480552), (34, 7482840), (40, 6360414), (48, 5300345), (51, 4988560), (60, 4240276), (68, 3741420), (80, 3180207), (85, 2993136), (102, 2494280), (120, 2120138), (127, 2003280), (136, 1870710), (170, 1496568), (204, 1247140), (240, 1060069), (254, 1001640), (255, 997712), (272, 935355), (340, 748284), (381, 667760), (408, 623570), (491, 518160), (508, 500820), (510, 498856), (635, 400656), (680, 374142), (762, 333880), (816, 311785), (982, 259080), (1016, 250410), (1020, 249428), (1270, 200328), (1360, 187071), (1473, 172720), (1524, 166940), (1905, 133552), (1964, 129540), (2032, 125205), (2040, 124714), (2159, 117840), (2455, 103632), (2540, 100164), (2946, 86360), (3048, 83470), (3810, 66776), (3928, 64770), (4080, 62357), (4318, 58920), (4910, 51816), (5080, 50082), (5892, 43180), (6096, 41735), (6477, 39280), (7365, 34544), (7620, 33388), (7856, 32385), (8347, 30480), (8636, 29460), (9820, 25908), (10160, 25041), (10795, 23568), (11784, 21590), (12954, 19640), (14730, 17272), (15240, 16694)]