77155380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{859}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 234780000

約数和(自身を除く): 157624620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 859, 998, 1497, 1718, 1996, 2495, 2577, 2994, 3436, 4295, 4491, 4990, 5154, 5988, 7485, 7731, 8590, 8982, 9980, 10308, 12885, 14970, 15462, 17180, 17964, 22455, 25770, 29940, 30924, 38655, 44910, 51540, 77310, 89820, 154620, 428641, 857282, 1285923, 1714564, 2143205, 2571846, 3857769, 4286410, 5143692, 6429615, 7715538, 8572820, 12859230, 15431076, 19288845, 25718460, 38577690, 77155380]

約数ペア:

[(1, 77155380), (2, 38577690), (3, 25718460), (4, 19288845), (5, 15431076), (6, 12859230), (9, 8572820), (10, 7715538), (12, 6429615), (15, 5143692), (18, 4286410), (20, 3857769), (30, 2571846), (36, 2143205), (45, 1714564), (60, 1285923), (90, 857282), (180, 428641), (499, 154620), (859, 89820), (998, 77310), (1497, 51540), (1718, 44910), (1996, 38655), (2495, 30924), (2577, 29940), (2994, 25770), (3436, 22455), (4295, 17964), (4491, 17180), (4990, 15462), (5154, 14970), (5988, 12885), (7485, 10308), (7731, 9980), (8590, 8982)]