1293880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4639

約数の個数: 32

約数和(自身を含む): 3327840

約数和(自身を除く): 2033960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4621, 9242, 18484, 23105, 32347, 36968, 46210, 64694, 92420, 129388, 161735, 184840, 258776, 323470, 646940, 1293880]

約数ペア:

[(1, 1293880), (2, 646940), (4, 323470), (5, 258776), (7, 184840), (8, 161735), (10, 129388), (14, 92420), (20, 64694), (28, 46210), (35, 36968), (40, 32347), (56, 23105), (70, 18484), (140, 9242), (280, 4621)]