1618205640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 4921896960

約数和(自身を除く): 3303691320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 257, 274, 383, 411, 514, 548, 685, 766, 771, 822, 1028, 1096, 1149, 1285, 1370, 1532, 1542, 1644, 1915, 2055, 2056, 2298, 2570, 2740, 3064, 3084, 3288, 3830, 3855, 4110, 4596, 5140, 5480, 5745, 6168, 7660, 7710, 8220, 9192, 10280, 11490, 15320, 15420, 16440, 22980, 30840, 35209, 45960, 52471, 70418, 98431, 104942, 105627, 140836, 157413, 176045, 196862, 209884, 211254, 262355, 281672, 295293, 314826, 352090, 393724, 419768, 422508, 492155, 524710, 528135, 590586, 629652, 704180, 787065, 787448, 845016, 984310, 1049420, 1056270, 1181172, 1259304, 1408360, 1476465, 1574130, 1968620, 2098840, 2112540, 2362344, 2952930, 3148260, 3937240, 4225080, 5905860, 6296520, 11811720, 13485047, 26970094, 40455141, 53940188, 67425235, 80910282, 107880376, 134850470, 161820564, 202275705, 269700940, 323641128, 404551410, 539401880, 809102820, 1618205640]

約数ペア:

[(1, 1618205640), (2, 809102820), (3, 539401880), (4, 404551410), (5, 323641128), (6, 269700940), (8, 202275705), (10, 161820564), (12, 134850470), (15, 107880376), (20, 80910282), (24, 67425235), (30, 53940188), (40, 40455141), (60, 26970094), (120, 13485047), (137, 11811720), (257, 6296520), (274, 5905860), (383, 4225080), (411, 3937240), (514, 3148260), (548, 2952930), (685, 2362344), (766, 2112540), (771, 2098840), (822, 1968620), (1028, 1574130), (1096, 1476465), (1149, 1408360), (1285, 1259304), (1370, 1181172), (1532, 1056270), (1542, 1049420), (1644, 984310), (1915, 845016), (2055, 787448), (2056, 787065), (2298, 704180), (2570, 629652), (2740, 590586), (3064, 528135), (3084, 524710), (3288, 492155), (3830, 422508), (3855, 419768), (4110, 393724), (4596, 352090), (5140, 314826), (5480, 295293), (5745, 281672), (6168, 262355), (7660, 211254), (7710, 209884), (8220, 196862), (9192, 176045), (10280, 157413), (11490, 140836), (15320, 105627), (15420, 104942), (16440, 98431), (22980, 70418), (30840, 52471), (35209, 45960)]