1380305920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2078

約数の個数: 176

約数和(自身を含む): 3985263360

約数和(自身を除く): 2604957440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2027, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 4054, 4256, 4480, 4864, 5120, 5320, 6080, 7168, 8108, 8512, 8960, 9728, 10135, 10640, 12160, 14189, 16216, 17024, 17920, 19456, 20270, 21280, 24320, 28378, 32432, 34048, 35840, 38513, 40540, 42560, 48640, 56756, 64864, 68096, 70945, 77026, 81080, 85120, 97280, 113512, 129728, 136192, 141890, 154052, 162160, 170240, 192565, 227024, 259456, 269591, 283780, 308104, 324320, 340480, 385130, 454048, 518912, 539182, 567560, 616208, 648640, 680960, 770260, 908096, 1037824, 1078364, 1135120, 1232416, 1297280, 1347955, 1540520, 1816192, 2075648, 2156728, 2270240, 2464832, 2594560, 2695910, 3081040, 3632384, 4313456, 4540480, 4929664, 5189120, 5391820, 6162080, 7264768, 8626912, 9080960, 9859328, 10378240, 10783640, 12324160, 14529536, 17253824, 18161920, 19718656, 21567280, 24648320, 34507648, 36323840, 39437312, 43134560, 49296640, 69015296, 72647680, 86269120, 98593280, 138030592, 172538240, 197186560, 276061184, 345076480, 690152960, 1380305920]

約数ペア:

[(1, 1380305920), (2, 690152960), (4, 345076480), (5, 276061184), (7, 197186560), (8, 172538240), (10, 138030592), (14, 98593280), (16, 86269120), (19, 72647680), (20, 69015296), (28, 49296640), (32, 43134560), (35, 39437312), (38, 36323840), (40, 34507648), (56, 24648320), (64, 21567280), (70, 19718656), (76, 18161920), (80, 17253824), (95, 14529536), (112, 12324160), (128, 10783640), (133, 10378240), (140, 9859328), (152, 9080960), (160, 8626912), (190, 7264768), (224, 6162080), (256, 5391820), (266, 5189120), (280, 4929664), (304, 4540480), (320, 4313456), (380, 3632384), (448, 3081040), (512, 2695910), (532, 2594560), (560, 2464832), (608, 2270240), (640, 2156728), (665, 2075648), (760, 1816192), (896, 1540520), (1024, 1347955), (1064, 1297280), (1120, 1232416), (1216, 1135120), (1280, 1078364), (1330, 1037824), (1520, 908096), (1792, 770260), (2027, 680960), (2128, 648640), (2240, 616208), (2432, 567560), (2560, 539182), (2660, 518912), (3040, 454048), (3584, 385130), (4054, 340480), (4256, 324320), (4480, 308104), (4864, 283780), (5120, 269591), (5320, 259456), (6080, 227024), (7168, 192565), (8108, 170240), (8512, 162160), (8960, 154052), (9728, 141890), (10135, 136192), (10640, 129728), (12160, 113512), (14189, 97280), (16216, 85120), (17024, 81080), (17920, 77026), (19456, 70945), (20270, 68096), (21280, 64864), (24320, 56756), (28378, 48640), (32432, 42560), (34048, 40540), (35840, 38513)]