2165910

素因数分解:

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

素因数の和:149

約数の個数: 64

約数和(自身を含む): 5626368

約数和(自身を除く): 3460458

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 73, 86, 115, 129, 138, 146, 215, 219, 230, 258, 345, 365, 430, 438, 645, 690, 730, 989, 1095, 1290, 1679, 1978, 2190, 2967, 3139, 3358, 4945, 5037, 5934, 6278, 8395, 9417, 9890, 10074, 14835, 15695, 16790, 18834, 25185, 29670, 31390, 47085, 50370, 72197, 94170, 144394, 216591, 360985, 433182, 721970, 1082955, 2165910]

約数ペア:

[(1, 2165910), (2, 1082955), (3, 721970), (5, 433182), (6, 360985), (10, 216591), (15, 144394), (23, 94170), (30, 72197), (43, 50370), (46, 47085), (69, 31390), (73, 29670), (86, 25185), (115, 18834), (129, 16790), (138, 15695), (146, 14835), (215, 10074), (219, 9890), (230, 9417), (258, 8395), (345, 6278), (365, 5934), (430, 5037), (438, 4945), (645, 3358), (690, 3139), (730, 2967), (989, 2190), (1095, 1978), (1290, 1679)]