12681760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 37630656

約数和(自身を除く): 24948896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 160, 169, 182, 208, 224, 260, 268, 280, 335, 338, 364, 416, 455, 469, 520, 536, 560, 670, 676, 728, 845, 871, 910, 938, 1040, 1072, 1120, 1183, 1340, 1352, 1456, 1690, 1742, 1820, 1876, 2080, 2144, 2345, 2366, 2680, 2704, 2912, 3380, 3484, 3640, 3752, 4355, 4690, 4732, 5360, 5408, 5915, 6097, 6760, 6968, 7280, 7504, 8710, 9380, 9464, 10720, 11323, 11830, 12194, 13520, 13936, 14560, 15008, 17420, 18760, 18928, 22646, 23660, 24388, 27040, 27872, 30485, 34840, 37520, 37856, 45292, 47320, 48776, 56615, 60970, 69680, 75040, 79261, 90584, 94640, 97552, 113230, 121940, 139360, 158522, 181168, 189280, 195104, 226460, 243880, 317044, 362336, 396305, 452920, 487760, 634088, 792610, 905840, 975520, 1268176, 1585220, 1811680, 2536352, 3170440, 6340880, 12681760]

約数ペア:

[(1, 12681760), (2, 6340880), (4, 3170440), (5, 2536352), (7, 1811680), (8, 1585220), (10, 1268176), (13, 975520), (14, 905840), (16, 792610), (20, 634088), (26, 487760), (28, 452920), (32, 396305), (35, 362336), (40, 317044), (52, 243880), (56, 226460), (65, 195104), (67, 189280), (70, 181168), (80, 158522), (91, 139360), (104, 121940), (112, 113230), (130, 97552), (134, 94640), (140, 90584), (160, 79261), (169, 75040), (182, 69680), (208, 60970), (224, 56615), (260, 48776), (268, 47320), (280, 45292), (335, 37856), (338, 37520), (364, 34840), (416, 30485), (455, 27872), (469, 27040), (520, 24388), (536, 23660), (560, 22646), (670, 18928), (676, 18760), (728, 17420), (845, 15008), (871, 14560), (910, 13936), (938, 13520), (1040, 12194), (1072, 11830), (1120, 11323), (1183, 10720), (1340, 9464), (1352, 9380), (1456, 8710), (1690, 7504), (1742, 7280), (1820, 6968), (1876, 6760), (2080, 6097), (2144, 5915), (2345, 5408), (2366, 5360), (2680, 4732), (2704, 4690), (2912, 4355), (3380, 3752), (3484, 3640)]