127953280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^4$

素因数の和:78

約数の個数: 160

約数和(自身を含む): 378717840

約数和(自身を除く): 250764560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 260, 280, 320, 338, 364, 416, 448, 455, 520, 560, 640, 676, 728, 832, 845, 896, 910, 1040, 1120, 1183, 1352, 1456, 1664, 1690, 1820, 2080, 2197, 2240, 2366, 2704, 2912, 3380, 3640, 4160, 4394, 4480, 4732, 5408, 5824, 5915, 6760, 7280, 8320, 8788, 9464, 10816, 10985, 11648, 11830, 13520, 14560, 15379, 17576, 18928, 21632, 21970, 23660, 27040, 28561, 29120, 30758, 35152, 37856, 43940, 47320, 54080, 57122, 58240, 61516, 70304, 75712, 76895, 87880, 94640, 108160, 114244, 123032, 140608, 142805, 151424, 153790, 175760, 189280, 199927, 228488, 246064, 281216, 285610, 307580, 351520, 378560, 399854, 456976, 492128, 571220, 615160, 703040, 757120, 799708, 913952, 984256, 999635, 1142440, 1230320, 1406080, 1599416, 1827904, 1968512, 1999270, 2284880, 2460640, 3198832, 3655808, 3998540, 4569760, 4921280, 6397664, 7997080, 9139520, 9842560, 12795328, 15994160, 18279040, 25590656, 31988320, 63976640, 127953280]

約数ペア:

[(1, 127953280), (2, 63976640), (4, 31988320), (5, 25590656), (7, 18279040), (8, 15994160), (10, 12795328), (13, 9842560), (14, 9139520), (16, 7997080), (20, 6397664), (26, 4921280), (28, 4569760), (32, 3998540), (35, 3655808), (40, 3198832), (52, 2460640), (56, 2284880), (64, 1999270), (65, 1968512), (70, 1827904), (80, 1599416), (91, 1406080), (104, 1230320), (112, 1142440), (128, 999635), (130, 984256), (140, 913952), (160, 799708), (169, 757120), (182, 703040), (208, 615160), (224, 571220), (260, 492128), (280, 456976), (320, 399854), (338, 378560), (364, 351520), (416, 307580), (448, 285610), (455, 281216), (520, 246064), (560, 228488), (640, 199927), (676, 189280), (728, 175760), (832, 153790), (845, 151424), (896, 142805), (910, 140608), (1040, 123032), (1120, 114244), (1183, 108160), (1352, 94640), (1456, 87880), (1664, 76895), (1690, 75712), (1820, 70304), (2080, 61516), (2197, 58240), (2240, 57122), (2366, 54080), (2704, 47320), (2912, 43940), (3380, 37856), (3640, 35152), (4160, 30758), (4394, 29120), (4480, 28561), (4732, 27040), (5408, 23660), (5824, 21970), (5915, 21632), (6760, 18928), (7280, 17576), (8320, 15379), (8788, 14560), (9464, 13520), (10816, 11830), (10985, 11648)]