80578905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25703}}^1$

素因数の和:25741

約数の個数: 32

約数和(自身を含む): 148055040

約数和(自身を除く): 67476135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 25703, 77109, 128515, 282733, 385545, 488357, 848199, 1413665, 1465071, 2441785, 4240995, 5371927, 7325355, 16115781, 26859635, 80578905]

約数ペア:

[(1, 80578905), (3, 26859635), (5, 16115781), (11, 7325355), (15, 5371927), (19, 4240995), (33, 2441785), (55, 1465071), (57, 1413665), (95, 848199), (165, 488357), (209, 385545), (285, 282733), (627, 128515), (1045, 77109), (3135, 25703)]