248198640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 822804480

約数和(自身を除く): 574605840

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, 479, 508, 510, 635, 680, 762, 816, 958, 1016, 1020, 1270, 1360, 1437, 1524, 1905, 1916, 2032, 2040, 2159, 2395, 2540, 2874, 3048, 3810, 3832, 4080, 4318, 4790, 5080, 5748, 6096, 6477, 7185, 7620, 7664, 8143, 8636, 9580, 10160, 10795, 11496, 12954, 14370, 15240, 16286, 17272, 19160, 21590, 22992, 24429, 25908, 28740, 30480, 32385, 32572, 34544, 38320, 40715, 43180, 48858, 51816, 57480, 60833, 64770, 65144, 81430, 86360, 97716, 103632, 114960, 121666, 122145, 129540, 130288, 162860, 172720, 182499, 195432, 243332, 244290, 259080, 304165, 325720, 364998, 390864, 486664, 488580, 518160, 608330, 651440, 729996, 912495, 973328, 977160, 1034161, 1216660, 1459992, 1824990, 1954320, 2068322, 2433320, 2919984, 3102483, 3649980, 4136644, 4866640, 5170805, 6204966, 7299960, 8273288, 10341610, 12409932, 14599920, 15512415, 16546576, 20683220, 24819864, 31024830, 41366440, 49639728, 62049660, 82732880, 124099320, 248198640]

約数ペア:

[(1, 248198640), (2, 124099320), (3, 82732880), (4, 62049660), (5, 49639728), (6, 41366440), (8, 31024830), (10, 24819864), (12, 20683220), (15, 16546576), (16, 15512415), (17, 14599920), (20, 12409932), (24, 10341610), (30, 8273288), (34, 7299960), (40, 6204966), (48, 5170805), (51, 4866640), (60, 4136644), (68, 3649980), (80, 3102483), (85, 2919984), (102, 2433320), (120, 2068322), (127, 1954320), (136, 1824990), (170, 1459992), (204, 1216660), (240, 1034161), (254, 977160), (255, 973328), (272, 912495), (340, 729996), (381, 651440), (408, 608330), (479, 518160), (508, 488580), (510, 486664), (635, 390864), (680, 364998), (762, 325720), (816, 304165), (958, 259080), (1016, 244290), (1020, 243332), (1270, 195432), (1360, 182499), (1437, 172720), (1524, 162860), (1905, 130288), (1916, 129540), (2032, 122145), (2040, 121666), (2159, 114960), (2395, 103632), (2540, 97716), (2874, 86360), (3048, 81430), (3810, 65144), (3832, 64770), (4080, 60833), (4318, 57480), (4790, 51816), (5080, 48858), (5748, 43180), (6096, 40715), (6477, 38320), (7185, 34544), (7620, 32572), (7664, 32385), (8143, 30480), (8636, 28740), (9580, 25908), (10160, 24429), (10795, 22992), (11496, 21590), (12954, 19160), (14370, 17272), (15240, 16286)]