245907168

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 730477440

約数和(自身を除く): 484570272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 169, 184, 208, 276, 299, 312, 338, 368, 416, 507, 552, 598, 624, 659, 676, 736, 897, 1014, 1104, 1196, 1248, 1318, 1352, 1794, 1977, 2028, 2208, 2392, 2636, 2704, 3588, 3887, 3954, 4056, 4784, 5272, 5408, 7176, 7774, 7908, 8112, 8567, 9568, 10544, 11661, 14352, 15157, 15548, 15816, 16224, 17134, 21088, 23322, 25701, 28704, 30314, 31096, 31632, 34268, 45471, 46644, 51402, 60628, 62192, 63264, 68536, 90942, 93288, 102804, 111371, 121256, 124384, 137072, 181884, 186576, 197041, 205608, 222742, 242512, 274144, 334113, 363768, 373152, 394082, 411216, 445484, 485024, 591123, 668226, 727536, 788164, 822432, 890968, 1182246, 1336452, 1455072, 1576328, 1781936, 2364492, 2561533, 2672904, 3152656, 3563872, 4728984, 5123066, 5345808, 6305312, 7684599, 9457968, 10246132, 10691616, 15369198, 18915936, 20492264, 30738396, 40984528, 61476792, 81969056, 122953584, 245907168]

約数ペア:

[(1, 245907168), (2, 122953584), (3, 81969056), (4, 61476792), (6, 40984528), (8, 30738396), (12, 20492264), (13, 18915936), (16, 15369198), (23, 10691616), (24, 10246132), (26, 9457968), (32, 7684599), (39, 6305312), (46, 5345808), (48, 5123066), (52, 4728984), (69, 3563872), (78, 3152656), (92, 2672904), (96, 2561533), (104, 2364492), (138, 1781936), (156, 1576328), (169, 1455072), (184, 1336452), (208, 1182246), (276, 890968), (299, 822432), (312, 788164), (338, 727536), (368, 668226), (416, 591123), (507, 485024), (552, 445484), (598, 411216), (624, 394082), (659, 373152), (676, 363768), (736, 334113), (897, 274144), (1014, 242512), (1104, 222742), (1196, 205608), (1248, 197041), (1318, 186576), (1352, 181884), (1794, 137072), (1977, 124384), (2028, 121256), (2208, 111371), (2392, 102804), (2636, 93288), (2704, 90942), (3588, 68536), (3887, 63264), (3954, 62192), (4056, 60628), (4784, 51402), (5272, 46644), (5408, 45471), (7176, 34268), (7774, 31632), (7908, 31096), (8112, 30314), (8567, 28704), (9568, 25701), (10544, 23322), (11661, 21088), (14352, 17134), (15157, 16224), (15548, 15816)]