81867810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2103

約数の個数: 64

約数和(自身を含む): 208604160

約数和(自身を除く): 126736350

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 59, 69, 115, 118, 138, 177, 230, 295, 345, 354, 590, 690, 885, 1357, 1770, 2011, 2714, 4022, 4071, 6033, 6785, 8142, 10055, 12066, 13570, 20110, 20355, 30165, 40710, 46253, 60330, 92506, 118649, 138759, 231265, 237298, 277518, 355947, 462530, 593245, 693795, 711894, 1186490, 1387590, 1779735, 2728927, 3559470, 5457854, 8186781, 13644635, 16373562, 27289270, 40933905, 81867810]

約数ペア:

[(1, 81867810), (2, 40933905), (3, 27289270), (5, 16373562), (6, 13644635), (10, 8186781), (15, 5457854), (23, 3559470), (30, 2728927), (46, 1779735), (59, 1387590), (69, 1186490), (115, 711894), (118, 693795), (138, 593245), (177, 462530), (230, 355947), (295, 277518), (345, 237298), (354, 231265), (590, 138759), (690, 118649), (885, 92506), (1357, 60330), (1770, 46253), (2011, 40710), (2714, 30165), (4022, 20355), (4071, 20110), (6033, 13570), (6785, 12066), (8142, 10055)]