397441920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 1272788640

約数和(自身を除く): 875346720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 317, 320, 384, 480, 634, 640, 653, 951, 960, 1268, 1306, 1585, 1902, 1920, 1959, 2536, 2612, 3170, 3265, 3804, 3918, 4755, 5072, 5224, 6340, 6530, 7608, 7836, 9510, 9795, 10144, 10448, 12680, 13060, 15216, 15672, 19020, 19590, 20288, 20896, 25360, 26120, 30432, 31344, 38040, 39180, 40576, 41792, 50720, 52240, 60864, 62688, 76080, 78360, 83584, 101440, 104480, 121728, 125376, 152160, 156720, 202880, 207001, 208960, 250752, 304320, 313440, 414002, 417920, 608640, 621003, 626880, 828004, 1035005, 1242006, 1253760, 1656008, 2070010, 2484012, 3105015, 3312016, 4140020, 4968024, 6210030, 6624032, 8280040, 9936048, 12420060, 13248064, 16560080, 19872096, 24840120, 26496128, 33120160, 39744192, 49680240, 66240320, 79488384, 99360480, 132480640, 198720960, 397441920]

約数ペア:

[(1, 397441920), (2, 198720960), (3, 132480640), (4, 99360480), (5, 79488384), (6, 66240320), (8, 49680240), (10, 39744192), (12, 33120160), (15, 26496128), (16, 24840120), (20, 19872096), (24, 16560080), (30, 13248064), (32, 12420060), (40, 9936048), (48, 8280040), (60, 6624032), (64, 6210030), (80, 4968024), (96, 4140020), (120, 3312016), (128, 3105015), (160, 2484012), (192, 2070010), (240, 1656008), (317, 1253760), (320, 1242006), (384, 1035005), (480, 828004), (634, 626880), (640, 621003), (653, 608640), (951, 417920), (960, 414002), (1268, 313440), (1306, 304320), (1585, 250752), (1902, 208960), (1920, 207001), (1959, 202880), (2536, 156720), (2612, 152160), (3170, 125376), (3265, 121728), (3804, 104480), (3918, 101440), (4755, 83584), (5072, 78360), (5224, 76080), (6340, 62688), (6530, 60864), (7608, 52240), (7836, 50720), (9510, 41792), (9795, 40576), (10144, 39180), (10448, 38040), (12680, 31344), (13060, 30432), (15216, 26120), (15672, 25360), (19020, 20896), (19590, 20288)]