217684480

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 582962688

約数和(自身を除く): 365278208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 211, 248, 256, 260, 310, 320, 403, 416, 422, 496, 512, 520, 620, 640, 806, 832, 844, 992, 1040, 1055, 1240, 1280, 1612, 1664, 1688, 1984, 2015, 2080, 2110, 2480, 2560, 2743, 3224, 3328, 3376, 3968, 4030, 4160, 4220, 4960, 5486, 6448, 6541, 6656, 6752, 7936, 8060, 8320, 8440, 9920, 10972, 12896, 13082, 13504, 13715, 15872, 16120, 16640, 16880, 19840, 21944, 25792, 26164, 27008, 27430, 32240, 32705, 33280, 33760, 39680, 43888, 51584, 52328, 54016, 54860, 64480, 65410, 67520, 79360, 85033, 87776, 103168, 104656, 108032, 109720, 128960, 130820, 135040, 170066, 175552, 206336, 209312, 219440, 257920, 261640, 270080, 340132, 351104, 418624, 425165, 438880, 515840, 523280, 540160, 680264, 702208, 837248, 850330, 877760, 1031680, 1046560, 1360528, 1404416, 1674496, 1700660, 1755520, 2093120, 2721056, 3348992, 3401320, 3511040, 4186240, 5442112, 6802640, 7022080, 8372480, 10884224, 13605280, 16744960, 21768448, 27210560, 43536896, 54421120, 108842240, 217684480]

約数ペア:

[(1, 217684480), (2, 108842240), (4, 54421120), (5, 43536896), (8, 27210560), (10, 21768448), (13, 16744960), (16, 13605280), (20, 10884224), (26, 8372480), (31, 7022080), (32, 6802640), (40, 5442112), (52, 4186240), (62, 3511040), (64, 3401320), (65, 3348992), (80, 2721056), (104, 2093120), (124, 1755520), (128, 1700660), (130, 1674496), (155, 1404416), (160, 1360528), (208, 1046560), (211, 1031680), (248, 877760), (256, 850330), (260, 837248), (310, 702208), (320, 680264), (403, 540160), (416, 523280), (422, 515840), (496, 438880), (512, 425165), (520, 418624), (620, 351104), (640, 340132), (806, 270080), (832, 261640), (844, 257920), (992, 219440), (1040, 209312), (1055, 206336), (1240, 175552), (1280, 170066), (1612, 135040), (1664, 130820), (1688, 128960), (1984, 109720), (2015, 108032), (2080, 104656), (2110, 103168), (2480, 87776), (2560, 85033), (2743, 79360), (3224, 67520), (3328, 65410), (3376, 64480), (3968, 54860), (4030, 54016), (4160, 52328), (4220, 51584), (4960, 43888), (5486, 39680), (6448, 33760), (6541, 33280), (6656, 32705), (6752, 32240), (7936, 27430), (8060, 27008), (8320, 26164), (8440, 25792), (9920, 21944), (10972, 19840), (12896, 16880), (13082, 16640), (13504, 16120), (13715, 15872)]