3440640

素因数分解:

$2^{15}\times 3^1\times 5^1\times 7^1$

素因数の和:45

約数の個数: 128

約数和(自身を含む): 12582720

約数和(自身を除く): 9142080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8192, 8960, 10240, 10752, 12288, 13440, 14336, 15360, 16384, 17920, 20480, 21504, 24576, 26880, 28672, 30720, 32768, 35840, 40960, 43008, 49152, 53760, 57344, 61440, 71680, 81920, 86016, 98304, 107520, 114688, 122880, 143360, 163840, 172032, 215040, 229376, 245760, 286720, 344064, 430080, 491520, 573440, 688128, 860160, 1146880, 1720320, 3440640]

約数ペア:

[(1, 3440640), (2, 1720320), (3, 1146880), (4, 860160), (5, 688128), (6, 573440), (7, 491520), (8, 430080), (10, 344064), (12, 286720), (14, 245760), (15, 229376), (16, 215040), (20, 172032), (21, 163840), (24, 143360), (28, 122880), (30, 114688), (32, 107520), (35, 98304), (40, 86016), (42, 81920), (48, 71680), (56, 61440), (60, 57344), (64, 53760), (70, 49152), (80, 43008), (84, 40960), (96, 35840), (105, 32768), (112, 30720), (120, 28672), (128, 26880), (140, 24576), (160, 21504), (168, 20480), (192, 17920), (210, 16384), (224, 15360), (240, 14336), (256, 13440), (280, 12288), (320, 10752), (336, 10240), (384, 8960), (420, 8192), (448, 7680), (480, 7168), (512, 6720), (560, 6144), (640, 5376), (672, 5120), (768, 4480), (840, 4096), (896, 3840), (960, 3584), (1024, 3360), (1120, 3072), (1280, 2688), (1344, 2560), (1536, 2240), (1680, 2048), (1792, 1920)]