28774680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21799}}^1$

素因数の和:21824

約数の個数: 64

約数和(自身を含む): 94176000

約数和(自身を除く): 65401320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21799, 43598, 65397, 87196, 108995, 130794, 174392, 217990, 239789, 261588, 326985, 435980, 479578, 523176, 653970, 719367, 871960, 959156, 1198945, 1307940, 1438734, 1918312, 2397890, 2615880, 2877468, 3596835, 4795780, 5754936, 7193670, 9591560, 14387340, 28774680]

約数ペア:

[(1, 28774680), (2, 14387340), (3, 9591560), (4, 7193670), (5, 5754936), (6, 4795780), (8, 3596835), (10, 2877468), (11, 2615880), (12, 2397890), (15, 1918312), (20, 1438734), (22, 1307940), (24, 1198945), (30, 959156), (33, 871960), (40, 719367), (44, 653970), (55, 523176), (60, 479578), (66, 435980), (88, 326985), (110, 261588), (120, 239789), (132, 217990), (165, 174392), (220, 130794), (264, 108995), (330, 87196), (440, 65397), (660, 43598), (1320, 21799)]