64369280

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2401

約数の個数: 64

約数和(自身を含む): 157528800

約数和(自身を除く): 93159520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2339, 2752, 3440, 4678, 5504, 6880, 9356, 11695, 13760, 18712, 23390, 27520, 37424, 46780, 74848, 93560, 100577, 149696, 187120, 201154, 299392, 374240, 402308, 502885, 748480, 804616, 1005770, 1496960, 1609232, 2011540, 3218464, 4023080, 6436928, 8046160, 12873856, 16092320, 32184640, 64369280]

約数ペア:

[(1, 64369280), (2, 32184640), (4, 16092320), (5, 12873856), (8, 8046160), (10, 6436928), (16, 4023080), (20, 3218464), (32, 2011540), (40, 1609232), (43, 1496960), (64, 1005770), (80, 804616), (86, 748480), (128, 502885), (160, 402308), (172, 374240), (215, 299392), (320, 201154), (344, 187120), (430, 149696), (640, 100577), (688, 93560), (860, 74848), (1376, 46780), (1720, 37424), (2339, 27520), (2752, 23390), (3440, 18712), (4678, 13760), (5504, 11695), (6880, 9356)]