51441180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17497}}^1$

素因数の和:17523

約数の個数: 72

約数和(自身を含む): 167560848

約数和(自身を除く): 116119668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17497, 34994, 52491, 69988, 87485, 104982, 122479, 174970, 209964, 244958, 262455, 349940, 367437, 489916, 524910, 612395, 734874, 857353, 1049820, 1224790, 1469748, 1714706, 1837185, 2449580, 2572059, 3429412, 3674370, 4286765, 5144118, 7348740, 8573530, 10288236, 12860295, 17147060, 25720590, 51441180]

約数ペア:

[(1, 51441180), (2, 25720590), (3, 17147060), (4, 12860295), (5, 10288236), (6, 8573530), (7, 7348740), (10, 5144118), (12, 4286765), (14, 3674370), (15, 3429412), (20, 2572059), (21, 2449580), (28, 1837185), (30, 1714706), (35, 1469748), (42, 1224790), (49, 1049820), (60, 857353), (70, 734874), (84, 612395), (98, 524910), (105, 489916), (140, 367437), (147, 349940), (196, 262455), (210, 244958), (245, 209964), (294, 174970), (420, 122479), (490, 104982), (588, 87485), (735, 69988), (980, 52491), (1470, 34994), (2940, 17497)]