68940075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 121420800

約数和(自身を除く): 52480725

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 285, 303, 475, 479, 505, 1425, 1437, 1515, 1919, 2395, 2525, 5757, 7185, 7575, 9101, 9595, 11975, 27303, 28785, 35925, 45505, 47975, 48379, 136515, 143925, 145137, 227525, 241895, 682575, 725685, 919201, 1209475, 2757603, 3628425, 4596005, 13788015, 22980025, 68940075]

約数ペア:

[(1, 68940075), (3, 22980025), (5, 13788015), (15, 4596005), (19, 3628425), (25, 2757603), (57, 1209475), (75, 919201), (95, 725685), (101, 682575), (285, 241895), (303, 227525), (475, 145137), (479, 143925), (505, 136515), (1425, 48379), (1437, 47975), (1515, 45505), (1919, 35925), (2395, 28785), (2525, 27303), (5757, 11975), (7185, 9595), (7575, 9101)]