64004080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3089}}^1$

素因数の和:3146

約数の個数: 80

約数和(自身を含む): 174720960

約数和(自身を除く): 110716880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3089, 4144, 5180, 6178, 10360, 12356, 15445, 20720, 21623, 24712, 30890, 43246, 49424, 61780, 86492, 108115, 114293, 123560, 172984, 216230, 228586, 247120, 345968, 432460, 457172, 571465, 800051, 864920, 914344, 1142930, 1600102, 1729840, 1828688, 2285860, 3200204, 4000255, 4571720, 6400408, 8000510, 9143440, 12800816, 16001020, 32002040, 64004080]

約数ペア:

[(1, 64004080), (2, 32002040), (4, 16001020), (5, 12800816), (7, 9143440), (8, 8000510), (10, 6400408), (14, 4571720), (16, 4000255), (20, 3200204), (28, 2285860), (35, 1828688), (37, 1729840), (40, 1600102), (56, 1142930), (70, 914344), (74, 864920), (80, 800051), (112, 571465), (140, 457172), (148, 432460), (185, 345968), (259, 247120), (280, 228586), (296, 216230), (370, 172984), (518, 123560), (560, 114293), (592, 108115), (740, 86492), (1036, 61780), (1295, 49424), (1480, 43246), (2072, 30890), (2590, 24712), (2960, 21623), (3089, 20720), (4144, 15445), (5180, 12356), (6178, 10360)]