1388593920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{51659}}^1$

素因数の和:51690

約数の個数: 144

約数和(自身を含む): 5068465920

約数和(自身を除く): 3679872000

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 51659, 103318, 154977, 206636, 258295, 309954, 361613, 413272, 516590, 619908, 723226, 774885, 826544, 1033180, 1084839, 1239816, 1446452, 1549770, 1653088, 1808065, 2066360, 2169678, 2479632, 2892904, 3099540, 3306176, 3616130, 4132720, 4339356, 4959264, 5424195, 5785808, 6199080, 6612352, 7232260, 8265440, 8678712, 9918528, 10848390, 11571616, 12398160, 13224704, 14464520, 16530880, 17357424, 19837056, 21696780, 23143232, 24796320, 28929040, 33061760, 34714848, 39674112, 43393560, 46286464, 49592640, 57858080, 66123520, 69429696, 86787120, 92572928, 99185280, 115716160, 138859392, 173574240, 198370560, 231432320, 277718784, 347148480, 462864640, 694296960, 1388593920]

約数ペア:

[(1, 1388593920), (2, 694296960), (3, 462864640), (4, 347148480), (5, 277718784), (6, 231432320), (7, 198370560), (8, 173574240), (10, 138859392), (12, 115716160), (14, 99185280), (15, 92572928), (16, 86787120), (20, 69429696), (21, 66123520), (24, 57858080), (28, 49592640), (30, 46286464), (32, 43393560), (35, 39674112), (40, 34714848), (42, 33061760), (48, 28929040), (56, 24796320), (60, 23143232), (64, 21696780), (70, 19837056), (80, 17357424), (84, 16530880), (96, 14464520), (105, 13224704), (112, 12398160), (120, 11571616), (128, 10848390), (140, 9918528), (160, 8678712), (168, 8265440), (192, 7232260), (210, 6612352), (224, 6199080), (240, 5785808), (256, 5424195), (280, 4959264), (320, 4339356), (336, 4132720), (384, 3616130), (420, 3306176), (448, 3099540), (480, 2892904), (560, 2479632), (640, 2169678), (672, 2066360), (768, 1808065), (840, 1653088), (896, 1549770), (960, 1446452), (1120, 1239816), (1280, 1084839), (1344, 1033180), (1680, 826544), (1792, 774885), (1920, 723226), (2240, 619908), (2688, 516590), (3360, 413272), (3840, 361613), (4480, 309954), (5376, 258295), (6720, 206636), (8960, 154977), (13440, 103318), (26880, 51659)]