80820480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 278147520

約数和(自身を除く): 197327040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1619, 1664, 1920, 2080, 2496, 3120, 3238, 3328, 3840, 4160, 4857, 4992, 6240, 6476, 8095, 8320, 9714, 9984, 12480, 12952, 16190, 16640, 19428, 21047, 24285, 24960, 25904, 32380, 38856, 42094, 48570, 49920, 51808, 63141, 64760, 77712, 84188, 97140, 103616, 105235, 126282, 129520, 155424, 168376, 194280, 207232, 210470, 252564, 259040, 310848, 315705, 336752, 388560, 414464, 420940, 505128, 518080, 621696, 631410, 673504, 777120, 841880, 1010256, 1036160, 1243392, 1262820, 1347008, 1554240, 1683760, 2020512, 2072320, 2525640, 2694016, 3108480, 3367520, 4041024, 5051280, 5388032, 6216960, 6735040, 8082048, 10102560, 13470080, 16164096, 20205120, 26940160, 40410240, 80820480]

約数ペア:

[(1, 80820480), (2, 40410240), (3, 26940160), (4, 20205120), (5, 16164096), (6, 13470080), (8, 10102560), (10, 8082048), (12, 6735040), (13, 6216960), (15, 5388032), (16, 5051280), (20, 4041024), (24, 3367520), (26, 3108480), (30, 2694016), (32, 2525640), (39, 2072320), (40, 2020512), (48, 1683760), (52, 1554240), (60, 1347008), (64, 1262820), (65, 1243392), (78, 1036160), (80, 1010256), (96, 841880), (104, 777120), (120, 673504), (128, 631410), (130, 621696), (156, 518080), (160, 505128), (192, 420940), (195, 414464), (208, 388560), (240, 336752), (256, 315705), (260, 310848), (312, 259040), (320, 252564), (384, 210470), (390, 207232), (416, 194280), (480, 168376), (520, 155424), (624, 129520), (640, 126282), (768, 105235), (780, 103616), (832, 97140), (960, 84188), (1040, 77712), (1248, 64760), (1280, 63141), (1560, 51808), (1619, 49920), (1664, 48570), (1920, 42094), (2080, 38856), (2496, 32380), (3120, 25904), (3238, 24960), (3328, 24285), (3840, 21047), (4160, 19428), (4857, 16640), (4992, 16190), (6240, 12952), (6476, 12480), (8095, 9984), (8320, 9714)]