20848253440

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{23743}}^1$

素因数の和:23787

約数の個数: 160

約数和(自身を含む): 58296268800

約数和(自身を除く): 37448015360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2560, 2744, 3136, 3430, 3584, 3920, 4480, 5488, 6272, 6860, 7840, 8960, 10976, 12544, 13720, 15680, 17920, 21952, 23743, 25088, 27440, 31360, 43904, 47486, 54880, 62720, 87808, 94972, 109760, 118715, 125440, 166201, 175616, 189944, 219520, 237430, 332402, 379888, 439040, 474860, 664804, 759776, 831005, 878080, 949720, 1163407, 1329608, 1519552, 1662010, 1899440, 2326814, 2659216, 3039104, 3324020, 3798880, 4653628, 5318432, 5817035, 6078208, 6648040, 7597760, 8143849, 9307256, 10636864, 11634070, 12156416, 13296080, 15195520, 16287698, 18614512, 21273728, 23268140, 26592160, 30391040, 32575396, 37229024, 40719245, 42547456, 46536280, 53184320, 60782080, 65150792, 74458048, 81438490, 85094912, 93072560, 106368640, 130301584, 148916096, 162876980, 186145120, 212737280, 260603168, 297832192, 325753960, 372290240, 425474560, 521206336, 595664384, 651507920, 744580480, 1042412672, 1303015840, 1489160960, 2084825344, 2606031680, 2978321920, 4169650688, 5212063360, 10424126720, 20848253440]

約数ペア:

[(1, 20848253440), (2, 10424126720), (4, 5212063360), (5, 4169650688), (7, 2978321920), (8, 2606031680), (10, 2084825344), (14, 1489160960), (16, 1303015840), (20, 1042412672), (28, 744580480), (32, 651507920), (35, 595664384), (40, 521206336), (49, 425474560), (56, 372290240), (64, 325753960), (70, 297832192), (80, 260603168), (98, 212737280), (112, 186145120), (128, 162876980), (140, 148916096), (160, 130301584), (196, 106368640), (224, 93072560), (245, 85094912), (256, 81438490), (280, 74458048), (320, 65150792), (343, 60782080), (392, 53184320), (448, 46536280), (490, 42547456), (512, 40719245), (560, 37229024), (640, 32575396), (686, 30391040), (784, 26592160), (896, 23268140), (980, 21273728), (1120, 18614512), (1280, 16287698), (1372, 15195520), (1568, 13296080), (1715, 12156416), (1792, 11634070), (1960, 10636864), (2240, 9307256), (2560, 8143849), (2744, 7597760), (3136, 6648040), (3430, 6078208), (3584, 5817035), (3920, 5318432), (4480, 4653628), (5488, 3798880), (6272, 3324020), (6860, 3039104), (7840, 2659216), (8960, 2326814), (10976, 1899440), (12544, 1662010), (13720, 1519552), (15680, 1329608), (17920, 1163407), (21952, 949720), (23743, 878080), (25088, 831005), (27440, 759776), (31360, 664804), (43904, 474860), (47486, 439040), (54880, 379888), (62720, 332402), (87808, 237430), (94972, 219520), (109760, 189944), (118715, 175616), (125440, 166201)]