204216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1733}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 634727232

約数和(自身を除く): 430510512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1733, 1964, 2455, 2946, 3466, 3928, 4910, 5199, 5892, 6932, 7365, 7856, 8665, 9820, 10398, 11784, 13864, 14730, 17330, 19640, 20796, 23568, 25995, 27728, 29460, 34660, 39280, 41592, 51990, 58920, 69320, 83184, 103980, 117840, 138640, 207960, 415920, 850903, 1701806, 2552709, 3403612, 4254515, 5105418, 6807224, 8509030, 10210836, 12763545, 13614448, 17018060, 20421672, 25527090, 34036120, 40843344, 51054180, 68072240, 102108360, 204216720]

約数ペア:

[(1, 204216720), (2, 102108360), (3, 68072240), (4, 51054180), (5, 40843344), (6, 34036120), (8, 25527090), (10, 20421672), (12, 17018060), (15, 13614448), (16, 12763545), (20, 10210836), (24, 8509030), (30, 6807224), (40, 5105418), (48, 4254515), (60, 3403612), (80, 2552709), (120, 1701806), (240, 850903), (491, 415920), (982, 207960), (1473, 138640), (1733, 117840), (1964, 103980), (2455, 83184), (2946, 69320), (3466, 58920), (3928, 51990), (4910, 41592), (5199, 39280), (5892, 34660), (6932, 29460), (7365, 27728), (7856, 25995), (8665, 23568), (9820, 20796), (10398, 19640), (11784, 17330), (13864, 14730)]