1639470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 4640256

約数和(自身を除く): 3000786

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 211, 222, 259, 370, 422, 518, 555, 633, 777, 1055, 1110, 1266, 1295, 1477, 1554, 2110, 2590, 2954, 3165, 3885, 4431, 6330, 7385, 7770, 7807, 8862, 14770, 15614, 22155, 23421, 39035, 44310, 46842, 54649, 78070, 109298, 117105, 163947, 234210, 273245, 327894, 546490, 819735, 1639470]

約数ペア:

[(1, 1639470), (2, 819735), (3, 546490), (5, 327894), (6, 273245), (7, 234210), (10, 163947), (14, 117105), (15, 109298), (21, 78070), (30, 54649), (35, 46842), (37, 44310), (42, 39035), (70, 23421), (74, 22155), (105, 15614), (111, 14770), (185, 8862), (210, 7807), (211, 7770), (222, 7385), (259, 6330), (370, 4431), (422, 3885), (518, 3165), (555, 2954), (633, 2590), (777, 2110), (1055, 1554), (1110, 1477), (1266, 1295)]