905920080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{290359}}^1$

素因数の和:290388

約数の個数: 80

約数和(自身を含む): 3024389760

約数和(自身を除く): 2118469680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 290359, 580718, 871077, 1161436, 1451795, 1742154, 2322872, 2903590, 3484308, 3774667, 4355385, 4645744, 5807180, 6968616, 7549334, 8710770, 11324001, 11614360, 13937232, 15098668, 17421540, 18873335, 22648002, 23228720, 30197336, 34843080, 37746670, 45296004, 56620005, 60394672, 69686160, 75493340, 90592008, 113240010, 150986680, 181184016, 226480020, 301973360, 452960040, 905920080]

約数ペア:

[(1, 905920080), (2, 452960040), (3, 301973360), (4, 226480020), (5, 181184016), (6, 150986680), (8, 113240010), (10, 90592008), (12, 75493340), (13, 69686160), (15, 60394672), (16, 56620005), (20, 45296004), (24, 37746670), (26, 34843080), (30, 30197336), (39, 23228720), (40, 22648002), (48, 18873335), (52, 17421540), (60, 15098668), (65, 13937232), (78, 11614360), (80, 11324001), (104, 8710770), (120, 7549334), (130, 6968616), (156, 5807180), (195, 4645744), (208, 4355385), (240, 3774667), (260, 3484308), (312, 2903590), (390, 2322872), (520, 1742154), (624, 1451795), (780, 1161436), (1040, 871077), (1560, 580718), (3120, 290359)]