312505740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 990269280

約数和(自身を除く): 677763540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 131, 145, 174, 180, 261, 262, 290, 348, 393, 435, 457, 522, 524, 580, 655, 786, 870, 914, 1044, 1179, 1305, 1310, 1371, 1572, 1740, 1828, 1965, 2285, 2358, 2610, 2620, 2742, 3799, 3930, 4113, 4570, 4716, 5220, 5484, 5895, 6855, 7598, 7860, 8226, 9140, 11397, 11790, 13253, 13710, 15196, 16452, 18995, 20565, 22794, 23580, 26506, 27420, 34191, 37990, 39759, 41130, 45588, 53012, 56985, 59867, 66265, 68382, 75980, 79518, 82260, 113970, 119277, 119734, 132530, 136764, 159036, 170955, 179601, 198795, 227940, 238554, 239468, 265060, 299335, 341910, 359202, 397590, 477108, 538803, 596385, 598670, 683820, 718404, 795180, 898005, 1077606, 1192770, 1197340, 1736143, 1796010, 2155212, 2385540, 2694015, 3472286, 3592020, 5208429, 5388030, 6944572, 8680715, 10416858, 10776060, 15625287, 17361430, 20833716, 26042145, 31250574, 34722860, 52084290, 62501148, 78126435, 104168580, 156252870, 312505740]

約数ペア:

[(1, 312505740), (2, 156252870), (3, 104168580), (4, 78126435), (5, 62501148), (6, 52084290), (9, 34722860), (10, 31250574), (12, 26042145), (15, 20833716), (18, 17361430), (20, 15625287), (29, 10776060), (30, 10416858), (36, 8680715), (45, 6944572), (58, 5388030), (60, 5208429), (87, 3592020), (90, 3472286), (116, 2694015), (131, 2385540), (145, 2155212), (174, 1796010), (180, 1736143), (261, 1197340), (262, 1192770), (290, 1077606), (348, 898005), (393, 795180), (435, 718404), (457, 683820), (522, 598670), (524, 596385), (580, 538803), (655, 477108), (786, 397590), (870, 359202), (914, 341910), (1044, 299335), (1179, 265060), (1305, 239468), (1310, 238554), (1371, 227940), (1572, 198795), (1740, 179601), (1828, 170955), (1965, 159036), (2285, 136764), (2358, 132530), (2610, 119734), (2620, 119277), (2742, 113970), (3799, 82260), (3930, 79518), (4113, 75980), (4570, 68382), (4716, 66265), (5220, 59867), (5484, 56985), (5895, 53012), (6855, 45588), (7598, 41130), (7860, 39759), (8226, 37990), (9140, 34191), (11397, 27420), (11790, 26506), (13253, 23580), (13710, 22794), (15196, 20565), (16452, 18995)]