12158480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 60

約数和(自身を含む): 29905452

約数和(自身を除く): 17746972

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 421, 722, 760, 842, 1444, 1520, 1684, 1805, 2105, 2888, 3368, 3610, 4210, 5776, 6736, 7220, 7999, 8420, 14440, 15998, 16840, 28880, 31996, 33680, 39995, 63992, 79990, 127984, 151981, 159980, 303962, 319960, 607924, 639920, 759905, 1215848, 1519810, 2431696, 3039620, 6079240, 12158480]

約数ペア:

[(1, 12158480), (2, 6079240), (4, 3039620), (5, 2431696), (8, 1519810), (10, 1215848), (16, 759905), (19, 639920), (20, 607924), (38, 319960), (40, 303962), (76, 159980), (80, 151981), (95, 127984), (152, 79990), (190, 63992), (304, 39995), (361, 33680), (380, 31996), (421, 28880), (722, 16840), (760, 15998), (842, 14440), (1444, 8420), (1520, 7999), (1684, 7220), (1805, 6736), (2105, 5776), (2888, 4210), (3368, 3610)]