12641280

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{823}}^1$

素因数の和:851

約数の個数: 88

約数和(自身を含む): 40481472

約数和(自身を除く): 27840192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 823, 960, 1024, 1280, 1536, 1646, 1920, 2469, 2560, 3072, 3292, 3840, 4115, 4938, 5120, 6584, 7680, 8230, 9876, 12345, 13168, 15360, 16460, 19752, 24690, 26336, 32920, 39504, 49380, 52672, 65840, 79008, 98760, 105344, 131680, 158016, 197520, 210688, 263360, 316032, 395040, 421376, 526720, 632064, 790080, 842752, 1053440, 1264128, 1580160, 2106880, 2528256, 3160320, 4213760, 6320640, 12641280]

約数ペア:

[(1, 12641280), (2, 6320640), (3, 4213760), (4, 3160320), (5, 2528256), (6, 2106880), (8, 1580160), (10, 1264128), (12, 1053440), (15, 842752), (16, 790080), (20, 632064), (24, 526720), (30, 421376), (32, 395040), (40, 316032), (48, 263360), (60, 210688), (64, 197520), (80, 158016), (96, 131680), (120, 105344), (128, 98760), (160, 79008), (192, 65840), (240, 52672), (256, 49380), (320, 39504), (384, 32920), (480, 26336), (512, 24690), (640, 19752), (768, 16460), (823, 15360), (960, 13168), (1024, 12345), (1280, 9876), (1536, 8230), (1646, 7680), (1920, 6584), (2469, 5120), (2560, 4938), (3072, 4115), (3292, 3840)]