15691678295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 20928499200

約数和(自身を除く): 5236820905

約数列:

[1, 5, 19, 29, 83, 95, 145, 163, 415, 421, 551, 815, 1577, 2105, 2407, 2755, 3097, 4727, 7885, 7999, 12035, 12209, 13529, 15485, 23635, 34943, 39995, 45733, 61045, 67645, 68623, 89813, 174715, 228665, 231971, 257051, 343115, 392341, 449065, 663917, 1013347, 1159855, 1285255, 1303837, 1961705, 1990067, 3319585, 5066735, 5695709, 6519185, 7454479, 9950335, 19253593, 28478545, 37272395, 37811273, 96267965, 108218471, 165175561, 189056365, 541092355, 825877805, 3138335659, 15691678295]

約数ペア:

[(1, 15691678295), (5, 3138335659), (19, 825877805), (29, 541092355), (83, 189056365), (95, 165175561), (145, 108218471), (163, 96267965), (415, 37811273), (421, 37272395), (551, 28478545), (815, 19253593), (1577, 9950335), (2105, 7454479), (2407, 6519185), (2755, 5695709), (3097, 5066735), (4727, 3319585), (7885, 1990067), (7999, 1961705), (12035, 1303837), (12209, 1285255), (13529, 1159855), (15485, 1013347), (23635, 663917), (34943, 449065), (39995, 392341), (45733, 343115), (61045, 257051), (67645, 231971), (68623, 228665), (89813, 174715)]