65999940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 193898880

約数和(自身を除く): 127898940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 83, 87, 116, 145, 166, 174, 249, 290, 332, 348, 415, 435, 457, 498, 580, 830, 870, 914, 996, 1245, 1371, 1660, 1740, 1828, 2285, 2407, 2490, 2742, 4570, 4814, 4980, 5484, 6855, 7221, 9140, 9628, 12035, 13253, 13710, 14442, 24070, 26506, 27420, 28884, 36105, 37931, 39759, 48140, 53012, 66265, 72210, 75862, 79518, 113793, 132530, 144420, 151724, 159036, 189655, 198795, 227586, 265060, 379310, 397590, 455172, 568965, 758620, 795180, 1099999, 1137930, 2199998, 2275860, 3299997, 4399996, 5499995, 6599994, 10999990, 13199988, 16499985, 21999980, 32999970, 65999940]

約数ペア:

[(1, 65999940), (2, 32999970), (3, 21999980), (4, 16499985), (5, 13199988), (6, 10999990), (10, 6599994), (12, 5499995), (15, 4399996), (20, 3299997), (29, 2275860), (30, 2199998), (58, 1137930), (60, 1099999), (83, 795180), (87, 758620), (116, 568965), (145, 455172), (166, 397590), (174, 379310), (249, 265060), (290, 227586), (332, 198795), (348, 189655), (415, 159036), (435, 151724), (457, 144420), (498, 132530), (580, 113793), (830, 79518), (870, 75862), (914, 72210), (996, 66265), (1245, 53012), (1371, 48140), (1660, 39759), (1740, 37931), (1828, 36105), (2285, 28884), (2407, 27420), (2490, 26506), (2742, 24070), (4570, 14442), (4814, 13710), (4980, 13253), (5484, 12035), (6855, 9628), (7221, 9140)]