28105380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5783}}^1$

素因数の和:5807

約数の個数: 72

約数和(自身を含む): 88425792

約数和(自身を除く): 60320412

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, 5783, 11566, 17349, 23132, 28915, 34698, 52047, 57830, 69396, 86745, 104094, 115660, 156141, 173490, 208188, 260235, 312282, 346980, 468423, 520470, 624564, 780705, 936846, 1040940, 1405269, 1561410, 1873692, 2342115, 2810538, 3122820, 4684230, 5621076, 7026345, 9368460, 14052690, 28105380]

約数ペア:

[(1, 28105380), (2, 14052690), (3, 9368460), (4, 7026345), (5, 5621076), (6, 4684230), (9, 3122820), (10, 2810538), (12, 2342115), (15, 1873692), (18, 1561410), (20, 1405269), (27, 1040940), (30, 936846), (36, 780705), (45, 624564), (54, 520470), (60, 468423), (81, 346980), (90, 312282), (108, 260235), (135, 208188), (162, 173490), (180, 156141), (243, 115660), (270, 104094), (324, 86745), (405, 69396), (486, 57830), (540, 52047), (810, 34698), (972, 28915), (1215, 23132), (1620, 17349), (2430, 11566), (4860, 5783)]