438890880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 1506988800

約数和(自身を除く): 1068097920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 64, 76, 80, 95, 96, 106, 114, 120, 128, 152, 159, 160, 190, 192, 212, 227, 228, 240, 265, 285, 304, 318, 320, 380, 384, 424, 454, 456, 480, 530, 570, 608, 636, 640, 681, 760, 795, 848, 908, 912, 960, 1007, 1060, 1135, 1140, 1216, 1272, 1362, 1520, 1590, 1696, 1816, 1824, 1920, 2014, 2120, 2270, 2280, 2432, 2544, 2724, 3021, 3040, 3180, 3392, 3405, 3632, 3648, 4028, 4240, 4313, 4540, 4560, 5035, 5088, 5448, 6042, 6080, 6360, 6784, 6810, 7264, 7296, 8056, 8480, 8626, 9080, 9120, 10070, 10176, 10896, 12031, 12084, 12160, 12720, 12939, 13620, 14528, 15105, 16112, 16960, 17252, 18160, 18240, 20140, 20352, 21565, 21792, 24062, 24168, 25440, 25878, 27240, 29056, 30210, 32224, 33920, 34504, 36093, 36320, 36480, 40280, 43130, 43584, 48124, 48336, 50880, 51756, 54480, 60155, 60420, 64448, 64695, 69008, 72186, 72640, 80560, 86260, 87168, 96248, 96672, 101760, 103512, 108960, 120310, 120840, 128896, 129390, 138016, 144372, 145280, 161120, 172520, 180465, 192496, 193344, 207024, 217920, 228589, 240620, 241680, 258780, 276032, 288744, 322240, 345040, 360930, 384992, 386688, 414048, 435840, 457178, 481240, 483360, 517560, 552064, 577488, 644480, 685767, 690080, 721860, 769984, 828096, 914356, 962480, 966720, 1035120, 1142945, 1154976, 1371534, 1380160, 1443720, 1539968, 1656192, 1828712, 1924960, 1933440, 2070240, 2285890, 2309952, 2743068, 2760320, 2887440, 3428835, 3657424, 3849920, 4140480, 4571780, 4619904, 5486136, 5774880, 6857670, 7314848, 7699840, 8280960, 9143560, 10972272, 11549760, 13715340, 14629696, 18287120, 21944544, 23099520, 27430680, 29259392, 36574240, 43889088, 54861360, 73148480, 87778176, 109722720, 146296960, 219445440, 438890880]

約数ペア:

[(1, 438890880), (2, 219445440), (3, 146296960), (4, 109722720), (5, 87778176), (6, 73148480), (8, 54861360), (10, 43889088), (12, 36574240), (15, 29259392), (16, 27430680), (19, 23099520), (20, 21944544), (24, 18287120), (30, 14629696), (32, 13715340), (38, 11549760), (40, 10972272), (48, 9143560), (53, 8280960), (57, 7699840), (60, 7314848), (64, 6857670), (76, 5774880), (80, 5486136), (95, 4619904), (96, 4571780), (106, 4140480), (114, 3849920), (120, 3657424), (128, 3428835), (152, 2887440), (159, 2760320), (160, 2743068), (190, 2309952), (192, 2285890), (212, 2070240), (227, 1933440), (228, 1924960), (240, 1828712), (265, 1656192), (285, 1539968), (304, 1443720), (318, 1380160), (320, 1371534), (380, 1154976), (384, 1142945), (424, 1035120), (454, 966720), (456, 962480), (480, 914356), (530, 828096), (570, 769984), (608, 721860), (636, 690080), (640, 685767), (681, 644480), (760, 577488), (795, 552064), (848, 517560), (908, 483360), (912, 481240), (960, 457178), (1007, 435840), (1060, 414048), (1135, 386688), (1140, 384992), (1216, 360930), (1272, 345040), (1362, 322240), (1520, 288744), (1590, 276032), (1696, 258780), (1816, 241680), (1824, 240620), (1920, 228589), (2014, 217920), (2120, 207024), (2270, 193344), (2280, 192496), (2432, 180465), (2544, 172520), (2724, 161120), (3021, 145280), (3040, 144372), (3180, 138016), (3392, 129390), (3405, 128896), (3632, 120840), (3648, 120310), (4028, 108960), (4240, 103512), (4313, 101760), (4540, 96672), (4560, 96248), (5035, 87168), (5088, 86260), (5448, 80560), (6042, 72640), (6080, 72186), (6360, 69008), (6784, 64695), (6810, 64448), (7264, 60420), (7296, 60155), (8056, 54480), (8480, 51756), (8626, 50880), (9080, 48336), (9120, 48124), (10070, 43584), (10176, 43130), (10896, 40280), (12031, 36480), (12084, 36320), (12160, 36093), (12720, 34504), (12939, 33920), (13620, 32224), (14528, 30210), (15105, 29056), (16112, 27240), (16960, 25878), (17252, 25440), (18160, 24168), (18240, 24062), (20140, 21792), (20352, 21565)]