280341720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778727}}^1$

素因数の和:778744

約数の個数: 48

約数和(自身を含む): 911111760

約数和(自身を除く): 630770040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 778727, 1557454, 2336181, 3114908, 3893635, 4672362, 6229816, 7008543, 7787270, 9344724, 11680905, 14017086, 15574540, 18689448, 23361810, 28034172, 31149080, 35042715, 46723620, 56068344, 70085430, 93447240, 140170860, 280341720]

約数ペア:

[(1, 280341720), (2, 140170860), (3, 93447240), (4, 70085430), (5, 56068344), (6, 46723620), (8, 35042715), (9, 31149080), (10, 28034172), (12, 23361810), (15, 18689448), (18, 15574540), (20, 14017086), (24, 11680905), (30, 9344724), (36, 7787270), (40, 7008543), (45, 6229816), (60, 4672362), (72, 3893635), (90, 3114908), (120, 2336181), (180, 1557454), (360, 778727)]