64837120

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 160

約数和(自身を含む): 172846080

約数和(自身を除く): 108008960

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, 256, 304, 310, 320, 344, 380, 430, 496, 512, 589, 608, 620, 640, 688, 760, 817, 860, 992, 1178, 1216, 1240, 1280, 1333, 1376, 1520, 1634, 1720, 1984, 2356, 2432, 2480, 2560, 2666, 2752, 2945, 3040, 3268, 3440, 3968, 4085, 4712, 4864, 4960, 5332, 5504, 5890, 6080, 6536, 6665, 6880, 7936, 8170, 9424, 9728, 9920, 10664, 11008, 11780, 12160, 13072, 13330, 13760, 15872, 16340, 18848, 19840, 21328, 22016, 23560, 24320, 25327, 26144, 26660, 27520, 32680, 37696, 39680, 42656, 47120, 48640, 50654, 52288, 53320, 55040, 65360, 75392, 79360, 85312, 94240, 101308, 104576, 106640, 110080, 126635, 130720, 150784, 170624, 188480, 202616, 209152, 213280, 253270, 261440, 301568, 341248, 376960, 405232, 418304, 426560, 506540, 522880, 682496, 753920, 810464, 853120, 1013080, 1045760, 1507840, 1620928, 1706240, 2026160, 2091520, 3241856, 3412480, 4052320, 6483712, 8104640, 12967424, 16209280, 32418560, 64837120]

約数ペア:

[(1, 64837120), (2, 32418560), (4, 16209280), (5, 12967424), (8, 8104640), (10, 6483712), (16, 4052320), (19, 3412480), (20, 3241856), (31, 2091520), (32, 2026160), (38, 1706240), (40, 1620928), (43, 1507840), (62, 1045760), (64, 1013080), (76, 853120), (80, 810464), (86, 753920), (95, 682496), (124, 522880), (128, 506540), (152, 426560), (155, 418304), (160, 405232), (172, 376960), (190, 341248), (215, 301568), (248, 261440), (256, 253270), (304, 213280), (310, 209152), (320, 202616), (344, 188480), (380, 170624), (430, 150784), (496, 130720), (512, 126635), (589, 110080), (608, 106640), (620, 104576), (640, 101308), (688, 94240), (760, 85312), (817, 79360), (860, 75392), (992, 65360), (1178, 55040), (1216, 53320), (1240, 52288), (1280, 50654), (1333, 48640), (1376, 47120), (1520, 42656), (1634, 39680), (1720, 37696), (1984, 32680), (2356, 27520), (2432, 26660), (2480, 26144), (2560, 25327), (2666, 24320), (2752, 23560), (2945, 22016), (3040, 21328), (3268, 19840), (3440, 18848), (3968, 16340), (4085, 15872), (4712, 13760), (4864, 13330), (4960, 13072), (5332, 12160), (5504, 11780), (5890, 11008), (6080, 10664), (6536, 9920), (6665, 9728), (6880, 9424), (7936, 8170)]