256378608

素因数分解:

$2^4\times 3^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 805948416

約数和(自身を除く): 549569808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 47, 48, 54, 61, 69, 72, 81, 92, 94, 108, 122, 138, 141, 144, 162, 183, 184, 188, 207, 216, 243, 244, 276, 282, 324, 366, 368, 376, 414, 423, 432, 486, 488, 549, 552, 564, 621, 648, 732, 752, 828, 846, 972, 976, 1081, 1098, 1104, 1128, 1242, 1269, 1296, 1403, 1464, 1647, 1656, 1692, 1863, 1944, 2162, 2196, 2256, 2484, 2538, 2806, 2867, 2928, 3243, 3294, 3312, 3384, 3726, 3807, 3888, 4209, 4324, 4392, 4941, 4968, 5076, 5589, 5612, 5734, 6486, 6588, 6768, 7452, 7614, 8418, 8601, 8648, 8784, 9729, 9882, 9936, 10152, 11178, 11224, 11421, 11468, 12627, 12972, 13176, 14823, 14904, 15228, 16836, 17202, 17296, 19458, 19764, 20304, 22356, 22448, 22842, 22936, 25254, 25803, 25944, 26352, 29187, 29646, 29808, 30456, 33672, 34404, 37881, 38916, 39528, 44712, 45684, 45872, 50508, 51606, 51888, 58374, 59292, 60912, 65941, 67344, 68808, 75762, 77409, 77832, 79056, 87561, 89424, 91368, 101016, 103212, 113643, 116748, 118584, 131882, 137616, 151524, 154818, 155664, 175122, 182736, 197823, 202032, 206424, 227286, 232227, 233496, 237168, 262683, 263764, 303048, 309636, 340929, 350244, 395646, 412848, 454572, 464454, 466992, 525366, 527528, 593469, 606096, 619272, 681858, 696681, 700488, 791292, 909144, 928908, 1050732, 1055056, 1186938, 1238544, 1363716, 1393362, 1400976, 1582584, 1780407, 1818288, 1857816, 2101464, 2373876, 2727432, 2786724, 3165168, 3560814, 3715632, 4202928, 4747752, 5341221, 5454864, 5573448, 7121628, 9495504, 10682442, 11146896, 14243256, 16023663, 21364884, 28486512, 32047326, 42729768, 64094652, 85459536, 128189304, 256378608]

約数ペア:

[(1, 256378608), (2, 128189304), (3, 85459536), (4, 64094652), (6, 42729768), (8, 32047326), (9, 28486512), (12, 21364884), (16, 16023663), (18, 14243256), (23, 11146896), (24, 10682442), (27, 9495504), (36, 7121628), (46, 5573448), (47, 5454864), (48, 5341221), (54, 4747752), (61, 4202928), (69, 3715632), (72, 3560814), (81, 3165168), (92, 2786724), (94, 2727432), (108, 2373876), (122, 2101464), (138, 1857816), (141, 1818288), (144, 1780407), (162, 1582584), (183, 1400976), (184, 1393362), (188, 1363716), (207, 1238544), (216, 1186938), (243, 1055056), (244, 1050732), (276, 928908), (282, 909144), (324, 791292), (366, 700488), (368, 696681), (376, 681858), (414, 619272), (423, 606096), (432, 593469), (486, 527528), (488, 525366), (549, 466992), (552, 464454), (564, 454572), (621, 412848), (648, 395646), (732, 350244), (752, 340929), (828, 309636), (846, 303048), (972, 263764), (976, 262683), (1081, 237168), (1098, 233496), (1104, 232227), (1128, 227286), (1242, 206424), (1269, 202032), (1296, 197823), (1403, 182736), (1464, 175122), (1647, 155664), (1656, 154818), (1692, 151524), (1863, 137616), (1944, 131882), (2162, 118584), (2196, 116748), (2256, 113643), (2484, 103212), (2538, 101016), (2806, 91368), (2867, 89424), (2928, 87561), (3243, 79056), (3294, 77832), (3312, 77409), (3384, 75762), (3726, 68808), (3807, 67344), (3888, 65941), (4209, 60912), (4324, 59292), (4392, 58374), (4941, 51888), (4968, 51606), (5076, 50508), (5589, 45872), (5612, 45684), (5734, 44712), (6486, 39528), (6588, 38916), (6768, 37881), (7452, 34404), (7614, 33672), (8418, 30456), (8601, 29808), (8648, 29646), (8784, 29187), (9729, 26352), (9882, 25944), (9936, 25803), (10152, 25254), (11178, 22936), (11224, 22842), (11421, 22448), (11468, 22356), (12627, 20304), (12972, 19764), (13176, 19458), (14823, 17296), (14904, 17202), (15228, 16836)]