261749016

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 829440000

約数和(自身を除く): 567690984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 47, 54, 57, 59, 69, 72, 76, 92, 94, 108, 114, 118, 138, 141, 152, 171, 177, 184, 188, 207, 216, 228, 236, 276, 282, 342, 354, 376, 414, 423, 437, 456, 472, 513, 531, 552, 564, 621, 684, 708, 828, 846, 874, 893, 1026, 1062, 1081, 1121, 1128, 1242, 1269, 1311, 1357, 1368, 1416, 1593, 1656, 1692, 1748, 1786, 2052, 2124, 2162, 2242, 2484, 2538, 2622, 2679, 2714, 2773, 3186, 3243, 3363, 3384, 3496, 3572, 3933, 4071, 4104, 4248, 4324, 4484, 4968, 5076, 5244, 5358, 5428, 5546, 6372, 6486, 6726, 7144, 7866, 8037, 8142, 8319, 8648, 8968, 9729, 10089, 10152, 10488, 10716, 10856, 11092, 11799, 12213, 12744, 12972, 13452, 15732, 16074, 16284, 16638, 19458, 20178, 20539, 21432, 22184, 23598, 24111, 24426, 24957, 25783, 25944, 26904, 29187, 30267, 31464, 32148, 32568, 33276, 36639, 38916, 40356, 41078, 47196, 48222, 48852, 49914, 51566, 52687, 58374, 60534, 61617, 63779, 64296, 66552, 73278, 74871, 77349, 77832, 80712, 82156, 94392, 96444, 97704, 99828, 103132, 105374, 116748, 121068, 123234, 127558, 146556, 149742, 154698, 158061, 164312, 184851, 191337, 192888, 199656, 206264, 210748, 232047, 233496, 242136, 246468, 255116, 293112, 299484, 309396, 316122, 369702, 382674, 421496, 464094, 474183, 492936, 510232, 554553, 574011, 598968, 618792, 632244, 696141, 739404, 765348, 928188, 948366, 1109106, 1148022, 1211801, 1264488, 1392282, 1422549, 1478808, 1530696, 1722033, 1856376, 1896732, 2218212, 2296044, 2423602, 2784564, 2845098, 3444066, 3635403, 3793464, 4436424, 4592088, 4847204, 5569128, 5690196, 6888132, 7270806, 9694408, 10906209, 11380392, 13776264, 14541612, 21812418, 29083224, 32718627, 43624836, 65437254, 87249672, 130874508, 261749016]

約数ペア:

[(1, 261749016), (2, 130874508), (3, 87249672), (4, 65437254), (6, 43624836), (8, 32718627), (9, 29083224), (12, 21812418), (18, 14541612), (19, 13776264), (23, 11380392), (24, 10906209), (27, 9694408), (36, 7270806), (38, 6888132), (46, 5690196), (47, 5569128), (54, 4847204), (57, 4592088), (59, 4436424), (69, 3793464), (72, 3635403), (76, 3444066), (92, 2845098), (94, 2784564), (108, 2423602), (114, 2296044), (118, 2218212), (138, 1896732), (141, 1856376), (152, 1722033), (171, 1530696), (177, 1478808), (184, 1422549), (188, 1392282), (207, 1264488), (216, 1211801), (228, 1148022), (236, 1109106), (276, 948366), (282, 928188), (342, 765348), (354, 739404), (376, 696141), (414, 632244), (423, 618792), (437, 598968), (456, 574011), (472, 554553), (513, 510232), (531, 492936), (552, 474183), (564, 464094), (621, 421496), (684, 382674), (708, 369702), (828, 316122), (846, 309396), (874, 299484), (893, 293112), (1026, 255116), (1062, 246468), (1081, 242136), (1121, 233496), (1128, 232047), (1242, 210748), (1269, 206264), (1311, 199656), (1357, 192888), (1368, 191337), (1416, 184851), (1593, 164312), (1656, 158061), (1692, 154698), (1748, 149742), (1786, 146556), (2052, 127558), (2124, 123234), (2162, 121068), (2242, 116748), (2484, 105374), (2538, 103132), (2622, 99828), (2679, 97704), (2714, 96444), (2773, 94392), (3186, 82156), (3243, 80712), (3363, 77832), (3384, 77349), (3496, 74871), (3572, 73278), (3933, 66552), (4071, 64296), (4104, 63779), (4248, 61617), (4324, 60534), (4484, 58374), (4968, 52687), (5076, 51566), (5244, 49914), (5358, 48852), (5428, 48222), (5546, 47196), (6372, 41078), (6486, 40356), (6726, 38916), (7144, 36639), (7866, 33276), (8037, 32568), (8142, 32148), (8319, 31464), (8648, 30267), (8968, 29187), (9729, 26904), (10089, 25944), (10152, 25783), (10488, 24957), (10716, 24426), (10856, 24111), (11092, 23598), (11799, 22184), (12213, 21432), (12744, 20539), (12972, 20178), (13452, 19458), (15732, 16638), (16074, 16284)]