697303040

素因数分解:

$2^{20}\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 168

約数和(自身を含む): 2013264960

約数和(自身を除く): 1315961920

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, 2048, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 4096, 4256, 4480, 4864, 5120, 5320, 6080, 7168, 8192, 8512, 8960, 9728, 10240, 10640, 12160, 14336, 16384, 17024, 17920, 19456, 20480, 21280, 24320, 28672, 32768, 34048, 35840, 38912, 40960, 42560, 48640, 57344, 65536, 68096, 71680, 77824, 81920, 85120, 97280, 114688, 131072, 136192, 143360, 155648, 163840, 170240, 194560, 229376, 262144, 272384, 286720, 311296, 327680, 340480, 389120, 458752, 524288, 544768, 573440, 622592, 655360, 680960, 778240, 917504, 1048576, 1089536, 1146880, 1245184, 1310720, 1361920, 1556480, 1835008, 2179072, 2293760, 2490368, 2621440, 2723840, 3112960, 3670016, 4358144, 4587520, 4980736, 5242880, 5447680, 6225920, 7340032, 8716288, 9175040, 9961472, 10895360, 12451840, 17432576, 18350080, 19922944, 21790720, 24903680, 34865152, 36700160, 43581440, 49807360, 69730304, 87162880, 99614720, 139460608, 174325760, 348651520, 697303040]

約数ペア:

[(1, 697303040), (2, 348651520), (4, 174325760), (5, 139460608), (7, 99614720), (8, 87162880), (10, 69730304), (14, 49807360), (16, 43581440), (19, 36700160), (20, 34865152), (28, 24903680), (32, 21790720), (35, 19922944), (38, 18350080), (40, 17432576), (56, 12451840), (64, 10895360), (70, 9961472), (76, 9175040), (80, 8716288), (95, 7340032), (112, 6225920), (128, 5447680), (133, 5242880), (140, 4980736), (152, 4587520), (160, 4358144), (190, 3670016), (224, 3112960), (256, 2723840), (266, 2621440), (280, 2490368), (304, 2293760), (320, 2179072), (380, 1835008), (448, 1556480), (512, 1361920), (532, 1310720), (560, 1245184), (608, 1146880), (640, 1089536), (665, 1048576), (760, 917504), (896, 778240), (1024, 680960), (1064, 655360), (1120, 622592), (1216, 573440), (1280, 544768), (1330, 524288), (1520, 458752), (1792, 389120), (2048, 340480), (2128, 327680), (2240, 311296), (2432, 286720), (2560, 272384), (2660, 262144), (3040, 229376), (3584, 194560), (4096, 170240), (4256, 163840), (4480, 155648), (4864, 143360), (5120, 136192), (5320, 131072), (6080, 114688), (7168, 97280), (8192, 85120), (8512, 81920), (8960, 77824), (9728, 71680), (10240, 68096), (10640, 65536), (12160, 57344), (14336, 48640), (16384, 42560), (17024, 40960), (17920, 38912), (19456, 35840), (20480, 34048), (21280, 32768), (24320, 28672)]