13681920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 50037120

約数和(自身を除く): 36355200

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, 509, 560, 640, 672, 768, 840, 896, 960, 1018, 1120, 1280, 1344, 1527, 1680, 1792, 1920, 2036, 2240, 2545, 2688, 3054, 3360, 3563, 3840, 4072, 4480, 5090, 5376, 6108, 6720, 7126, 7635, 8144, 8960, 10180, 10689, 12216, 13440, 14252, 15270, 16288, 17815, 20360, 21378, 24432, 26880, 28504, 30540, 32576, 35630, 40720, 42756, 48864, 53445, 57008, 61080, 65152, 71260, 81440, 85512, 97728, 106890, 114016, 122160, 130304, 142520, 162880, 171024, 195456, 213780, 228032, 244320, 285040, 325760, 342048, 390912, 427560, 456064, 488640, 570080, 651520, 684096, 855120, 912128, 977280, 1140160, 1368192, 1710240, 1954560, 2280320, 2736384, 3420480, 4560640, 6840960, 13681920]

約数ペア:

[(1, 13681920), (2, 6840960), (3, 4560640), (4, 3420480), (5, 2736384), (6, 2280320), (7, 1954560), (8, 1710240), (10, 1368192), (12, 1140160), (14, 977280), (15, 912128), (16, 855120), (20, 684096), (21, 651520), (24, 570080), (28, 488640), (30, 456064), (32, 427560), (35, 390912), (40, 342048), (42, 325760), (48, 285040), (56, 244320), (60, 228032), (64, 213780), (70, 195456), (80, 171024), (84, 162880), (96, 142520), (105, 130304), (112, 122160), (120, 114016), (128, 106890), (140, 97728), (160, 85512), (168, 81440), (192, 71260), (210, 65152), (224, 61080), (240, 57008), (256, 53445), (280, 48864), (320, 42756), (336, 40720), (384, 35630), (420, 32576), (448, 30540), (480, 28504), (509, 26880), (560, 24432), (640, 21378), (672, 20360), (768, 17815), (840, 16288), (896, 15270), (960, 14252), (1018, 13440), (1120, 12216), (1280, 10689), (1344, 10180), (1527, 8960), (1680, 8144), (1792, 7635), (1920, 7126), (2036, 6720), (2240, 6108), (2545, 5376), (2688, 5090), (3054, 4480), (3360, 4072), (3563, 3840)]