255886680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16033}}^1$

素因数の和:16073

約数の個数: 128

約数和(自身を含む): 923558400

約数和(自身を除く): 667671720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 16033, 32066, 48099, 64132, 80165, 96198, 112231, 128264, 160330, 192396, 224462, 240495, 304627, 320660, 336693, 384792, 448924, 480990, 561155, 609254, 641320, 673386, 897848, 913881, 961980, 1122310, 1218508, 1346772, 1523135, 1683465, 1827762, 1923960, 2132389, 2244620, 2437016, 2693544, 3046270, 3366930, 3655524, 4264778, 4489240, 4569405, 6092540, 6397167, 6733860, 7311048, 8529556, 9138810, 10661945, 12185080, 12794334, 13467720, 17059112, 18277620, 21323890, 25588668, 31985835, 36555240, 42647780, 51177336, 63971670, 85295560, 127943340, 255886680]

約数ペア:

[(1, 255886680), (2, 127943340), (3, 85295560), (4, 63971670), (5, 51177336), (6, 42647780), (7, 36555240), (8, 31985835), (10, 25588668), (12, 21323890), (14, 18277620), (15, 17059112), (19, 13467720), (20, 12794334), (21, 12185080), (24, 10661945), (28, 9138810), (30, 8529556), (35, 7311048), (38, 6733860), (40, 6397167), (42, 6092540), (56, 4569405), (57, 4489240), (60, 4264778), (70, 3655524), (76, 3366930), (84, 3046270), (95, 2693544), (105, 2437016), (114, 2244620), (120, 2132389), (133, 1923960), (140, 1827762), (152, 1683465), (168, 1523135), (190, 1346772), (210, 1218508), (228, 1122310), (266, 961980), (280, 913881), (285, 897848), (380, 673386), (399, 641320), (420, 609254), (456, 561155), (532, 480990), (570, 448924), (665, 384792), (760, 336693), (798, 320660), (840, 304627), (1064, 240495), (1140, 224462), (1330, 192396), (1596, 160330), (1995, 128264), (2280, 112231), (2660, 96198), (3192, 80165), (3990, 64132), (5320, 48099), (7980, 32066), (15960, 16033)]