16209280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 43084800

約数和(自身を除く): 26875520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 43, 62, 64, 76, 80, 86, 95, 124, 128, 152, 155, 160, 172, 190, 215, 248, 304, 310, 320, 344, 380, 430, 496, 589, 608, 620, 640, 688, 760, 817, 860, 992, 1178, 1216, 1240, 1333, 1376, 1520, 1634, 1720, 1984, 2356, 2432, 2480, 2666, 2752, 2945, 3040, 3268, 3440, 3968, 4085, 4712, 4960, 5332, 5504, 5890, 6080, 6536, 6665, 6880, 8170, 9424, 9920, 10664, 11780, 12160, 13072, 13330, 13760, 16340, 18848, 19840, 21328, 23560, 25327, 26144, 26660, 27520, 32680, 37696, 42656, 47120, 50654, 52288, 53320, 65360, 75392, 85312, 94240, 101308, 104576, 106640, 126635, 130720, 170624, 188480, 202616, 213280, 253270, 261440, 376960, 405232, 426560, 506540, 522880, 810464, 853120, 1013080, 1620928, 2026160, 3241856, 4052320, 8104640, 16209280]

約数ペア:

[(1, 16209280), (2, 8104640), (4, 4052320), (5, 3241856), (8, 2026160), (10, 1620928), (16, 1013080), (19, 853120), (20, 810464), (31, 522880), (32, 506540), (38, 426560), (40, 405232), (43, 376960), (62, 261440), (64, 253270), (76, 213280), (80, 202616), (86, 188480), (95, 170624), (124, 130720), (128, 126635), (152, 106640), (155, 104576), (160, 101308), (172, 94240), (190, 85312), (215, 75392), (248, 65360), (304, 53320), (310, 52288), (320, 50654), (344, 47120), (380, 42656), (430, 37696), (496, 32680), (589, 27520), (608, 26660), (620, 26144), (640, 25327), (688, 23560), (760, 21328), (817, 19840), (860, 18848), (992, 16340), (1178, 13760), (1216, 13330), (1240, 13072), (1333, 12160), (1376, 11780), (1520, 10664), (1634, 9920), (1720, 9424), (1984, 8170), (2356, 6880), (2432, 6665), (2480, 6536), (2666, 6080), (2752, 5890), (2945, 5504), (3040, 5332), (3268, 4960), (3440, 4712), (3968, 4085)]