138748140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{28549}}^1$

素因数の和:28573

約数の個数: 72

約数和(自身を含む): 436472400

約数和(自身を除く): 297724260

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, 28549, 57098, 85647, 114196, 142745, 171294, 256941, 285490, 342588, 428235, 513882, 570980, 770823, 856470, 1027764, 1284705, 1541646, 1712940, 2312469, 2569410, 3083292, 3854115, 4624938, 5138820, 6937407, 7708230, 9249876, 11562345, 13874814, 15416460, 23124690, 27749628, 34687035, 46249380, 69374070, 138748140]

約数ペア:

[(1, 138748140), (2, 69374070), (3, 46249380), (4, 34687035), (5, 27749628), (6, 23124690), (9, 15416460), (10, 13874814), (12, 11562345), (15, 9249876), (18, 7708230), (20, 6937407), (27, 5138820), (30, 4624938), (36, 3854115), (45, 3083292), (54, 2569410), (60, 2312469), (81, 1712940), (90, 1541646), (108, 1284705), (135, 1027764), (162, 856470), (180, 770823), (243, 570980), (270, 513882), (324, 428235), (405, 342588), (486, 285490), (540, 256941), (810, 171294), (972, 142745), (1215, 114196), (1620, 85647), (2430, 57098), (4860, 28549)]