257793188480

素因数分解:

$2^7\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1\times {\mathrm{1637}}^1$

素因数の和:2918

約数の個数: 128

約数和(自身を含む): 619828569360

約数和(自身を除く): 362035380880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 320, 482, 640, 964, 1021, 1205, 1637, 1928, 2042, 2410, 3274, 3856, 4084, 4820, 5105, 6548, 7712, 8168, 8185, 9640, 10210, 13096, 15424, 16336, 16370, 19280, 20420, 26192, 30848, 32672, 32740, 38560, 40840, 52384, 65344, 65480, 77120, 81680, 104768, 130688, 130960, 154240, 163360, 209536, 246061, 261920, 326720, 394517, 492122, 523840, 653440, 789034, 984244, 1047680, 1230305, 1578068, 1671377, 1968488, 1972585, 2460610, 3156136, 3342754, 3936976, 3945170, 4921220, 6312272, 6685508, 7873952, 7890340, 8356885, 9842440, 12624544, 13371016, 15747904, 15780680, 16713770, 19684880, 25249088, 26742032, 31495808, 31561360, 33427540, 39369760, 50498176, 53484064, 63122720, 66855080, 78739520, 106968128, 126245440, 133710160, 157479040, 213936256, 252490880, 267420320, 402801857, 534840640, 805603714, 1069681280, 1611207428, 2014009285, 3222414856, 4028018570, 6444829712, 8056037140, 12889659424, 16112074280, 25779318848, 32224148560, 51558637696, 64448297120, 128896594240, 257793188480]

約数ペア:

[(1, 257793188480), (2, 128896594240), (4, 64448297120), (5, 51558637696), (8, 32224148560), (10, 25779318848), (16, 16112074280), (20, 12889659424), (32, 8056037140), (40, 6444829712), (64, 4028018570), (80, 3222414856), (128, 2014009285), (160, 1611207428), (241, 1069681280), (320, 805603714), (482, 534840640), (640, 402801857), (964, 267420320), (1021, 252490880), (1205, 213936256), (1637, 157479040), (1928, 133710160), (2042, 126245440), (2410, 106968128), (3274, 78739520), (3856, 66855080), (4084, 63122720), (4820, 53484064), (5105, 50498176), (6548, 39369760), (7712, 33427540), (8168, 31561360), (8185, 31495808), (9640, 26742032), (10210, 25249088), (13096, 19684880), (15424, 16713770), (16336, 15780680), (16370, 15747904), (19280, 13371016), (20420, 12624544), (26192, 9842440), (30848, 8356885), (32672, 7890340), (32740, 7873952), (38560, 6685508), (40840, 6312272), (52384, 4921220), (65344, 3945170), (65480, 3936976), (77120, 3342754), (81680, 3156136), (104768, 2460610), (130688, 1972585), (130960, 1968488), (154240, 1671377), (163360, 1578068), (209536, 1230305), (246061, 1047680), (261920, 984244), (326720, 789034), (394517, 653440), (492122, 523840)]