638978040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1774939}}^1$

素因数の和:1774956

約数の個数: 48

約数和(自身を含む): 2076679800

約数和(自身を除く): 1437701760

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, 1774939, 3549878, 5324817, 7099756, 8874695, 10649634, 14199512, 15974451, 17749390, 21299268, 26624085, 31948902, 35498780, 42598536, 53248170, 63897804, 70997560, 79872255, 106496340, 127795608, 159744510, 212992680, 319489020, 638978040]

約数ペア:

[(1, 638978040), (2, 319489020), (3, 212992680), (4, 159744510), (5, 127795608), (6, 106496340), (8, 79872255), (9, 70997560), (10, 63897804), (12, 53248170), (15, 42598536), (18, 35498780), (20, 31948902), (24, 26624085), (30, 21299268), (36, 17749390), (40, 15974451), (45, 14199512), (60, 10649634), (72, 8874695), (90, 7099756), (120, 5324817), (180, 3549878), (360, 1774939)]