8665380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1807

約数の個数: 72

約数和(自身を含む): 27273792

約数和(自身を除く): 18608412

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, 1783, 2430, 3566, 4860, 5349, 7132, 8915, 10698, 16047, 17830, 21396, 26745, 32094, 35660, 48141, 53490, 64188, 80235, 96282, 106980, 144423, 160470, 192564, 240705, 288846, 320940, 433269, 481410, 577692, 722115, 866538, 962820, 1444230, 1733076, 2166345, 2888460, 4332690, 8665380]

約数ペア:

[(1, 8665380), (2, 4332690), (3, 2888460), (4, 2166345), (5, 1733076), (6, 1444230), (9, 962820), (10, 866538), (12, 722115), (15, 577692), (18, 481410), (20, 433269), (27, 320940), (30, 288846), (36, 240705), (45, 192564), (54, 160470), (60, 144423), (81, 106980), (90, 96282), (108, 80235), (135, 64188), (162, 53490), (180, 48141), (243, 35660), (270, 32094), (324, 26745), (405, 21396), (486, 17830), (540, 16047), (810, 10698), (972, 8915), (1215, 7132), (1620, 5349), (1783, 4860), (2430, 3566)]