640090704

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1212293}}^1$

素因数の和:1212315

約数の個数: 40

約数和(自身を含む): 1803893472

約数和(自身を除く): 1163802768

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 1212293, 2424586, 3636879, 4849172, 7273758, 9698344, 13335223, 14547516, 19396688, 26670446, 29095032, 40005669, 53340892, 58190064, 80011338, 106681784, 160022676, 213363568, 320045352, 640090704]

約数ペア:

[(1, 640090704), (2, 320045352), (3, 213363568), (4, 160022676), (6, 106681784), (8, 80011338), (11, 58190064), (12, 53340892), (16, 40005669), (22, 29095032), (24, 26670446), (33, 19396688), (44, 14547516), (48, 13335223), (66, 9698344), (88, 7273758), (132, 4849172), (176, 3636879), (264, 2424586), (528, 1212293)]