66866640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278611}}^1$

素因数の和:278627

約数の個数: 40

約数和(自身を含む): 207287328

約数和(自身を除く): 140420688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278611, 557222, 835833, 1114444, 1393055, 1671666, 2228888, 2786110, 3343332, 4179165, 4457776, 5572220, 6686664, 8358330, 11144440, 13373328, 16716660, 22288880, 33433320, 66866640]

約数ペア:

[(1, 66866640), (2, 33433320), (3, 22288880), (4, 16716660), (5, 13373328), (6, 11144440), (8, 8358330), (10, 6686664), (12, 5572220), (15, 4457776), (16, 4179165), (20, 3343332), (24, 2786110), (30, 2228888), (40, 1671666), (48, 1393055), (60, 1114444), (80, 835833), (120, 557222), (240, 278611)]