42540715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 24643925

約数列:

[1, 5, 7, 17, 19, 35, 53, 71, 85, 95, 119, 133, 265, 323, 355, 371, 497, 595, 665, 901, 1007, 1207, 1349, 1615, 1855, 2261, 2485, 3763, 4505, 5035, 6035, 6307, 6745, 7049, 8449, 9443, 11305, 17119, 18815, 22933, 26341, 31535, 35245, 42245, 47215, 63971, 71497, 85595, 114665, 119833, 131705, 160531, 319855, 357485, 447797, 500479, 599165, 802655, 1215449, 2238985, 2502395, 6077245, 8508143, 42540715]

約数ペア:

[(1, 42540715), (5, 8508143), (7, 6077245), (17, 2502395), (19, 2238985), (35, 1215449), (53, 802655), (71, 599165), (85, 500479), (95, 447797), (119, 357485), (133, 319855), (265, 160531), (323, 131705), (355, 119833), (371, 114665), (497, 85595), (595, 71497), (665, 63971), (901, 47215), (1007, 42245), (1207, 35245), (1349, 31535), (1615, 26341), (1855, 22933), (2261, 18815), (2485, 17119), (3763, 11305), (4505, 9443), (5035, 8449), (6035, 7049), (6307, 6745)]