256882680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{713563}}^1$

素因数の和:713580

約数の個数: 48

約数和(自身を含む): 834869880

約数和(自身を除く): 577987200

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, 713563, 1427126, 2140689, 2854252, 3567815, 4281378, 5708504, 6422067, 7135630, 8562756, 10703445, 12844134, 14271260, 17125512, 21406890, 25688268, 28542520, 32110335, 42813780, 51376536, 64220670, 85627560, 128441340, 256882680]

約数ペア:

[(1, 256882680), (2, 128441340), (3, 85627560), (4, 64220670), (5, 51376536), (6, 42813780), (8, 32110335), (9, 28542520), (10, 25688268), (12, 21406890), (15, 17125512), (18, 14271260), (20, 12844134), (24, 10703445), (30, 8562756), (36, 7135630), (40, 6422067), (45, 5708504), (60, 4281378), (72, 3567815), (90, 2854252), (120, 2140689), (180, 1427126), (360, 713563)]