42568020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21499}}^1$

素因数の和:21525

約数の個数: 72

約数和(自身を含む): 140868000

約数和(自身を除く): 98299980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21499, 42998, 64497, 85996, 107495, 128994, 193491, 214990, 236489, 257988, 322485, 386982, 429980, 472978, 644970, 709467, 773964, 945956, 967455, 1182445, 1289940, 1418934, 1934910, 2128401, 2364890, 2837868, 3547335, 3869820, 4256802, 4729780, 7094670, 8513604, 10642005, 14189340, 21284010, 42568020]

約数ペア:

[(1, 42568020), (2, 21284010), (3, 14189340), (4, 10642005), (5, 8513604), (6, 7094670), (9, 4729780), (10, 4256802), (11, 3869820), (12, 3547335), (15, 2837868), (18, 2364890), (20, 2128401), (22, 1934910), (30, 1418934), (33, 1289940), (36, 1182445), (44, 967455), (45, 945956), (55, 773964), (60, 709467), (66, 644970), (90, 472978), (99, 429980), (110, 386982), (132, 322485), (165, 257988), (180, 236489), (198, 214990), (220, 193491), (330, 128994), (396, 107495), (495, 85996), (660, 64497), (990, 42998), (1980, 21499)]