51437680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3014

約数の個数: 80

約数和(自身を含む): 141133824

約数和(自身を除く): 89696144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 2963, 3472, 4340, 5926, 8680, 11852, 14815, 17360, 20741, 23704, 29630, 41482, 47408, 59260, 82964, 91853, 103705, 118520, 165928, 183706, 207410, 237040, 331856, 367412, 414820, 459265, 642971, 734824, 829640, 918530, 1285942, 1469648, 1659280, 1837060, 2571884, 3214855, 3674120, 5143768, 6429710, 7348240, 10287536, 12859420, 25718840, 51437680]

約数ペア:

[(1, 51437680), (2, 25718840), (4, 12859420), (5, 10287536), (7, 7348240), (8, 6429710), (10, 5143768), (14, 3674120), (16, 3214855), (20, 2571884), (28, 1837060), (31, 1659280), (35, 1469648), (40, 1285942), (56, 918530), (62, 829640), (70, 734824), (80, 642971), (112, 459265), (124, 414820), (140, 367412), (155, 331856), (217, 237040), (248, 207410), (280, 183706), (310, 165928), (434, 118520), (496, 103705), (560, 91853), (620, 82964), (868, 59260), (1085, 47408), (1240, 41482), (1736, 29630), (2170, 23704), (2480, 20741), (2963, 17360), (3472, 14815), (4340, 11852), (5926, 8680)]