30721626

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 43668774

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 107, 117, 214, 234, 321, 351, 409, 642, 702, 818, 963, 1227, 1391, 1926, 2454, 2782, 2889, 3681, 4173, 5317, 5778, 7362, 8346, 10634, 11043, 12519, 15951, 22086, 25038, 31902, 37557, 43763, 47853, 75114, 87526, 95706, 131289, 143559, 262578, 287118, 393867, 568919, 787734, 1137838, 1181601, 1706757, 2363202, 3413514, 5120271, 10240542, 15360813, 30721626]

約数ペア:

[(1, 30721626), (2, 15360813), (3, 10240542), (6, 5120271), (9, 3413514), (13, 2363202), (18, 1706757), (26, 1181601), (27, 1137838), (39, 787734), (54, 568919), (78, 393867), (107, 287118), (117, 262578), (214, 143559), (234, 131289), (321, 95706), (351, 87526), (409, 75114), (642, 47853), (702, 43763), (818, 37557), (963, 31902), (1227, 25038), (1391, 22086), (1926, 15951), (2454, 12519), (2782, 11043), (2889, 10634), (3681, 8346), (4173, 7362), (5317, 5778)]