422720960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1082

約数の個数: 112

約数和(自身を含む): 1064312832

約数和(自身を除く): 641591872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 215, 248, 310, 320, 344, 430, 496, 620, 688, 860, 991, 992, 1240, 1333, 1376, 1720, 1982, 1984, 2480, 2666, 2752, 3440, 3964, 4955, 4960, 5332, 6665, 6880, 7928, 9910, 9920, 10664, 13330, 13760, 15856, 19820, 21328, 26660, 30721, 31712, 39640, 42613, 42656, 53320, 61442, 63424, 79280, 85226, 85312, 106640, 122884, 153605, 158560, 170452, 213065, 213280, 245768, 307210, 317120, 340904, 426130, 426560, 491536, 614420, 681808, 852260, 983072, 1228840, 1321003, 1363616, 1704520, 1966144, 2457680, 2642006, 2727232, 3409040, 4915360, 5284012, 6605015, 6818080, 9830720, 10568024, 13210030, 13636160, 21136048, 26420060, 42272096, 52840120, 84544192, 105680240, 211360480, 422720960]

約数ペア:

[(1, 422720960), (2, 211360480), (4, 105680240), (5, 84544192), (8, 52840120), (10, 42272096), (16, 26420060), (20, 21136048), (31, 13636160), (32, 13210030), (40, 10568024), (43, 9830720), (62, 6818080), (64, 6605015), (80, 5284012), (86, 4915360), (124, 3409040), (155, 2727232), (160, 2642006), (172, 2457680), (215, 1966144), (248, 1704520), (310, 1363616), (320, 1321003), (344, 1228840), (430, 983072), (496, 852260), (620, 681808), (688, 614420), (860, 491536), (991, 426560), (992, 426130), (1240, 340904), (1333, 317120), (1376, 307210), (1720, 245768), (1982, 213280), (1984, 213065), (2480, 170452), (2666, 158560), (2752, 153605), (3440, 122884), (3964, 106640), (4955, 85312), (4960, 85226), (5332, 79280), (6665, 63424), (6880, 61442), (7928, 53320), (9910, 42656), (9920, 42613), (10664, 39640), (13330, 31712), (13760, 30721), (15856, 26660), (19820, 21328)]