20150240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^2$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 52422552

約数和(自身を除く): 32272312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 107, 110, 160, 176, 214, 220, 352, 428, 440, 535, 856, 880, 1070, 1177, 1712, 1760, 2140, 2354, 3424, 4280, 4708, 5885, 8560, 9416, 11449, 11770, 17120, 18832, 22898, 23540, 37664, 45796, 47080, 57245, 91592, 94160, 114490, 125939, 183184, 188320, 228980, 251878, 366368, 457960, 503756, 629695, 915920, 1007512, 1259390, 1831840, 2015024, 2518780, 4030048, 5037560, 10075120, 20150240]

約数ペア:

[(1, 20150240), (2, 10075120), (4, 5037560), (5, 4030048), (8, 2518780), (10, 2015024), (11, 1831840), (16, 1259390), (20, 1007512), (22, 915920), (32, 629695), (40, 503756), (44, 457960), (55, 366368), (80, 251878), (88, 228980), (107, 188320), (110, 183184), (160, 125939), (176, 114490), (214, 94160), (220, 91592), (352, 57245), (428, 47080), (440, 45796), (535, 37664), (856, 23540), (880, 22898), (1070, 18832), (1177, 17120), (1712, 11770), (1760, 11449), (2140, 9416), (2354, 8560), (3424, 5885), (4280, 4708)]