256013550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:547

約数の個数: 144

約数和(自身を含む): 749483280

約数和(自身を除く): 493469730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 107, 117, 130, 150, 195, 214, 225, 234, 321, 325, 390, 409, 450, 535, 585, 642, 650, 818, 963, 975, 1070, 1170, 1227, 1391, 1605, 1926, 1950, 2045, 2454, 2675, 2782, 2925, 3210, 3681, 4090, 4173, 4815, 5317, 5350, 5850, 6135, 6955, 7362, 8025, 8346, 9630, 10225, 10634, 12270, 12519, 13910, 15951, 16050, 18405, 20450, 20865, 24075, 25038, 26585, 30675, 31902, 34775, 36810, 41730, 43763, 47853, 48150, 53170, 61350, 62595, 69550, 79755, 87526, 92025, 95706, 104325, 125190, 131289, 132925, 159510, 184050, 208650, 218815, 239265, 262578, 265850, 312975, 393867, 398775, 437630, 478530, 568919, 625950, 656445, 787734, 797550, 1094075, 1137838, 1196325, 1312890, 1706757, 1969335, 2188150, 2392650, 2844595, 3282225, 3413514, 3938670, 5120271, 5689190, 6564450, 8533785, 9846675, 10240542, 14222975, 17067570, 19693350, 25601355, 28445950, 42668925, 51202710, 85337850, 128006775, 256013550]

約数ペア:

[(1, 256013550), (2, 128006775), (3, 85337850), (5, 51202710), (6, 42668925), (9, 28445950), (10, 25601355), (13, 19693350), (15, 17067570), (18, 14222975), (25, 10240542), (26, 9846675), (30, 8533785), (39, 6564450), (45, 5689190), (50, 5120271), (65, 3938670), (75, 3413514), (78, 3282225), (90, 2844595), (107, 2392650), (117, 2188150), (130, 1969335), (150, 1706757), (195, 1312890), (214, 1196325), (225, 1137838), (234, 1094075), (321, 797550), (325, 787734), (390, 656445), (409, 625950), (450, 568919), (535, 478530), (585, 437630), (642, 398775), (650, 393867), (818, 312975), (963, 265850), (975, 262578), (1070, 239265), (1170, 218815), (1227, 208650), (1391, 184050), (1605, 159510), (1926, 132925), (1950, 131289), (2045, 125190), (2454, 104325), (2675, 95706), (2782, 92025), (2925, 87526), (3210, 79755), (3681, 69550), (4090, 62595), (4173, 61350), (4815, 53170), (5317, 48150), (5350, 47853), (5850, 43763), (6135, 41730), (6955, 36810), (7362, 34775), (8025, 31902), (8346, 30675), (9630, 26585), (10225, 25038), (10634, 24075), (12270, 20865), (12519, 20450), (13910, 18405), (15951, 16050)]