2887880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 7032960

約数和(自身を除く): 4145080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 73, 86, 92, 115, 146, 172, 184, 215, 230, 292, 344, 365, 430, 460, 584, 730, 860, 920, 989, 1460, 1679, 1720, 1978, 2920, 3139, 3358, 3956, 4945, 6278, 6716, 7912, 8395, 9890, 12556, 13432, 15695, 16790, 19780, 25112, 31390, 33580, 39560, 62780, 67160, 72197, 125560, 144394, 288788, 360985, 577576, 721970, 1443940, 2887880]

約数ペア:

[(1, 2887880), (2, 1443940), (4, 721970), (5, 577576), (8, 360985), (10, 288788), (20, 144394), (23, 125560), (40, 72197), (43, 67160), (46, 62780), (73, 39560), (86, 33580), (92, 31390), (115, 25112), (146, 19780), (172, 16790), (184, 15695), (215, 13432), (230, 12556), (292, 9890), (344, 8395), (365, 7912), (430, 6716), (460, 6278), (584, 4945), (730, 3956), (860, 3358), (920, 3139), (989, 2920), (1460, 1978), (1679, 1720)]