205346280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21661}}^1$

素因数の和:21754

約数の個数: 64

約数和(自身を含む): 623865600

約数和(自身を除く): 418519320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 21661, 43322, 64983, 86644, 108305, 129966, 173288, 216610, 259932, 324915, 433220, 519864, 649830, 866440, 1299660, 1711219, 2599320, 3422438, 5133657, 6844876, 8556095, 10267314, 13689752, 17112190, 20534628, 25668285, 34224380, 41069256, 51336570, 68448760, 102673140, 205346280]

約数ペア:

[(1, 205346280), (2, 102673140), (3, 68448760), (4, 51336570), (5, 41069256), (6, 34224380), (8, 25668285), (10, 20534628), (12, 17112190), (15, 13689752), (20, 10267314), (24, 8556095), (30, 6844876), (40, 5133657), (60, 3422438), (79, 2599320), (120, 1711219), (158, 1299660), (237, 866440), (316, 649830), (395, 519864), (474, 433220), (632, 324915), (790, 259932), (948, 216610), (1185, 173288), (1580, 129966), (1896, 108305), (2370, 86644), (3160, 64983), (4740, 43322), (9480, 21661)]