78668820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16187}}^1$

素因数の和:16211

約数の個数: 72

約数和(自身を含む): 247482144

約数和(自身を除く): 168813324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16187, 32374, 48561, 64748, 80935, 97122, 145683, 161870, 194244, 242805, 291366, 323740, 437049, 485610, 582732, 728415, 874098, 971220, 1311147, 1456830, 1748196, 2185245, 2622294, 2913660, 3933441, 4370490, 5244588, 6555735, 7866882, 8740980, 13111470, 15733764, 19667205, 26222940, 39334410, 78668820]

約数ペア:

[(1, 78668820), (2, 39334410), (3, 26222940), (4, 19667205), (5, 15733764), (6, 13111470), (9, 8740980), (10, 7866882), (12, 6555735), (15, 5244588), (18, 4370490), (20, 3933441), (27, 2913660), (30, 2622294), (36, 2185245), (45, 1748196), (54, 1456830), (60, 1311147), (81, 971220), (90, 874098), (108, 728415), (135, 582732), (162, 485610), (180, 437049), (243, 323740), (270, 291366), (324, 242805), (405, 194244), (486, 161870), (540, 145683), (810, 97122), (972, 80935), (1215, 64748), (1620, 48561), (2430, 32374), (4860, 16187)]