144877720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278611}}^1$

素因数の和:278635

約数の個数: 32

約数和(自身を含む): 351051120

約数和(自身を除く): 206173400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 278611, 557222, 1114444, 1393055, 2228888, 2786110, 3621943, 5572220, 7243886, 11144440, 14487772, 18109715, 28975544, 36219430, 72438860, 144877720]

約数ペア:

[(1, 144877720), (2, 72438860), (4, 36219430), (5, 28975544), (8, 18109715), (10, 14487772), (13, 11144440), (20, 7243886), (26, 5572220), (40, 3621943), (52, 2786110), (65, 2228888), (104, 1393055), (130, 1114444), (260, 557222), (520, 278611)]