656867520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3739}}^1$

素因数の和:3823

約数の個数: 168

約数和(自身を含む): 2297003280

約数和(自身を除く): 1640135760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 360, 366, 480, 488, 549, 576, 610, 720, 732, 915, 960, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2880, 2928, 3660, 3739, 3904, 4392, 4880, 5490, 5856, 7320, 7478, 8784, 9760, 10980, 11217, 11712, 14640, 14956, 17568, 18695, 19520, 21960, 22434, 29280, 29912, 33651, 35136, 37390, 43920, 44868, 56085, 58560, 59824, 67302, 74780, 87840, 89736, 112170, 119648, 134604, 149560, 168255, 175680, 179472, 224340, 228079, 239296, 269208, 299120, 336510, 358944, 448680, 456158, 538416, 598240, 673020, 684237, 717888, 897360, 912316, 1076832, 1140395, 1196480, 1346040, 1368474, 1794720, 1824632, 2052711, 2153664, 2280790, 2692080, 2736948, 3421185, 3589440, 3649264, 4105422, 4561580, 5384160, 5473896, 6842370, 7298528, 8210844, 9123160, 10263555, 10768320, 10947792, 13684740, 14597056, 16421688, 18246320, 20527110, 21895584, 27369480, 32843376, 36492640, 41054220, 43791168, 54738960, 65686752, 72985280, 82108440, 109477920, 131373504, 164216880, 218955840, 328433760, 656867520]

約数ペア:

[(1, 656867520), (2, 328433760), (3, 218955840), (4, 164216880), (5, 131373504), (6, 109477920), (8, 82108440), (9, 72985280), (10, 65686752), (12, 54738960), (15, 43791168), (16, 41054220), (18, 36492640), (20, 32843376), (24, 27369480), (30, 21895584), (32, 20527110), (36, 18246320), (40, 16421688), (45, 14597056), (48, 13684740), (60, 10947792), (61, 10768320), (64, 10263555), (72, 9123160), (80, 8210844), (90, 7298528), (96, 6842370), (120, 5473896), (122, 5384160), (144, 4561580), (160, 4105422), (180, 3649264), (183, 3589440), (192, 3421185), (240, 2736948), (244, 2692080), (288, 2280790), (305, 2153664), (320, 2052711), (360, 1824632), (366, 1794720), (480, 1368474), (488, 1346040), (549, 1196480), (576, 1140395), (610, 1076832), (720, 912316), (732, 897360), (915, 717888), (960, 684237), (976, 673020), (1098, 598240), (1220, 538416), (1440, 456158), (1464, 448680), (1830, 358944), (1952, 336510), (2196, 299120), (2440, 269208), (2745, 239296), (2880, 228079), (2928, 224340), (3660, 179472), (3739, 175680), (3904, 168255), (4392, 149560), (4880, 134604), (5490, 119648), (5856, 112170), (7320, 89736), (7478, 87840), (8784, 74780), (9760, 67302), (10980, 59824), (11217, 58560), (11712, 56085), (14640, 44868), (14956, 43920), (17568, 37390), (18695, 35136), (19520, 33651), (21960, 29912), (22434, 29280)]