90681640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14081}}^1$

素因数の和:14122

約数の個数: 64

約数和(自身を含む): 243336960

約数和(自身を除く): 152655320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 14081, 28162, 56324, 70405, 98567, 112648, 140810, 197134, 281620, 323863, 394268, 492835, 563240, 647726, 788536, 985670, 1295452, 1619315, 1971340, 2267041, 2590904, 3238630, 3942680, 4534082, 6477260, 9068164, 11335205, 12954520, 18136328, 22670410, 45340820, 90681640]

約数ペア:

[(1, 90681640), (2, 45340820), (4, 22670410), (5, 18136328), (7, 12954520), (8, 11335205), (10, 9068164), (14, 6477260), (20, 4534082), (23, 3942680), (28, 3238630), (35, 2590904), (40, 2267041), (46, 1971340), (56, 1619315), (70, 1295452), (92, 985670), (115, 788536), (140, 647726), (161, 563240), (184, 492835), (230, 394268), (280, 323863), (322, 281620), (460, 197134), (644, 140810), (805, 112648), (920, 98567), (1288, 70405), (1610, 56324), (3220, 28162), (6440, 14081)]