31818800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 85567440

約数和(自身を除く): 53748640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 200, 208, 211, 232, 260, 290, 325, 377, 400, 422, 464, 520, 580, 650, 725, 754, 844, 1040, 1055, 1160, 1300, 1450, 1508, 1688, 1885, 2110, 2320, 2600, 2743, 2900, 3016, 3376, 3770, 4220, 5200, 5275, 5486, 5800, 6032, 6119, 7540, 8440, 9425, 10550, 10972, 11600, 12238, 13715, 15080, 16880, 18850, 21100, 21944, 24476, 27430, 30160, 30595, 37700, 42200, 43888, 48952, 54860, 61190, 68575, 75400, 79547, 84400, 97904, 109720, 122380, 137150, 150800, 152975, 159094, 219440, 244760, 274300, 305950, 318188, 397735, 489520, 548600, 611900, 636376, 795470, 1097200, 1223800, 1272752, 1590940, 1988675, 2447600, 3181880, 3977350, 6363760, 7954700, 15909400, 31818800]

約数ペア:

[(1, 31818800), (2, 15909400), (4, 7954700), (5, 6363760), (8, 3977350), (10, 3181880), (13, 2447600), (16, 1988675), (20, 1590940), (25, 1272752), (26, 1223800), (29, 1097200), (40, 795470), (50, 636376), (52, 611900), (58, 548600), (65, 489520), (80, 397735), (100, 318188), (104, 305950), (116, 274300), (130, 244760), (145, 219440), (200, 159094), (208, 152975), (211, 150800), (232, 137150), (260, 122380), (290, 109720), (325, 97904), (377, 84400), (400, 79547), (422, 75400), (464, 68575), (520, 61190), (580, 54860), (650, 48952), (725, 43888), (754, 42200), (844, 37700), (1040, 30595), (1055, 30160), (1160, 27430), (1300, 24476), (1450, 21944), (1508, 21100), (1688, 18850), (1885, 16880), (2110, 15080), (2320, 13715), (2600, 12238), (2743, 11600), (2900, 10972), (3016, 10550), (3376, 9425), (3770, 8440), (4220, 7540), (5200, 6119), (5275, 6032), (5486, 5800)]