325713920

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 905966208

約数和(自身を除く): 580252288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 448, 497, 512, 560, 568, 640, 710, 896, 994, 1024, 1120, 1136, 1280, 1420, 1792, 1988, 2048, 2240, 2272, 2485, 2560, 2840, 3584, 3976, 4096, 4480, 4544, 4970, 5120, 5680, 7168, 7952, 8192, 8960, 9088, 9940, 10240, 11360, 14336, 15904, 16384, 17920, 18176, 19880, 20480, 22720, 28672, 31808, 32768, 35840, 36352, 39760, 40960, 45440, 57344, 63616, 65536, 71680, 72704, 79520, 81920, 90880, 114688, 127232, 131072, 143360, 145408, 159040, 163840, 181760, 229376, 254464, 286720, 290816, 318080, 327680, 363520, 458752, 508928, 573440, 581632, 636160, 655360, 727040, 917504, 1017856, 1146880, 1163264, 1272320, 1454080, 2035712, 2293760, 2326528, 2544640, 2908160, 4071424, 4587520, 4653056, 5089280, 5816320, 8142848, 9306112, 10178560, 11632640, 16285696, 20357120, 23265280, 32571392, 40714240, 46530560, 65142784, 81428480, 162856960, 325713920]

約数ペア:

[(1, 325713920), (2, 162856960), (4, 81428480), (5, 65142784), (7, 46530560), (8, 40714240), (10, 32571392), (14, 23265280), (16, 20357120), (20, 16285696), (28, 11632640), (32, 10178560), (35, 9306112), (40, 8142848), (56, 5816320), (64, 5089280), (70, 4653056), (71, 4587520), (80, 4071424), (112, 2908160), (128, 2544640), (140, 2326528), (142, 2293760), (160, 2035712), (224, 1454080), (256, 1272320), (280, 1163264), (284, 1146880), (320, 1017856), (355, 917504), (448, 727040), (497, 655360), (512, 636160), (560, 581632), (568, 573440), (640, 508928), (710, 458752), (896, 363520), (994, 327680), (1024, 318080), (1120, 290816), (1136, 286720), (1280, 254464), (1420, 229376), (1792, 181760), (1988, 163840), (2048, 159040), (2240, 145408), (2272, 143360), (2485, 131072), (2560, 127232), (2840, 114688), (3584, 90880), (3976, 81920), (4096, 79520), (4480, 72704), (4544, 71680), (4970, 65536), (5120, 63616), (5680, 57344), (7168, 45440), (7952, 40960), (8192, 39760), (8960, 36352), (9088, 35840), (9940, 32768), (10240, 31808), (11360, 28672), (14336, 22720), (15904, 20480), (16384, 19880), (17920, 18176)]