142780720

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3299}}^1$

素因数の和:3853

約数の個数: 40

約数和(自身を含む): 332679600

約数和(自身を除く): 189898880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 3299, 4328, 5410, 6598, 8656, 10820, 13196, 16495, 21640, 26392, 32990, 43280, 52784, 65980, 131960, 263920, 1784759, 3569518, 7139036, 8923795, 14278072, 17847590, 28556144, 35695180, 71390360, 142780720]

約数ペア:

[(1, 142780720), (2, 71390360), (4, 35695180), (5, 28556144), (8, 17847590), (10, 14278072), (16, 8923795), (20, 7139036), (40, 3569518), (80, 1784759), (541, 263920), (1082, 131960), (2164, 65980), (2705, 52784), (3299, 43280), (4328, 32990), (5410, 26392), (6598, 21640), (8656, 16495), (10820, 13196)]