287657040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{108961}}^1$

素因数の和:108988

約数の個数: 80

約数和(自身を含む): 972812736

約数和(自身を除く): 685155696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 108961, 217922, 326883, 435844, 544805, 653766, 871688, 1089610, 1198571, 1307532, 1634415, 1743376, 2179220, 2397142, 2615064, 3268830, 3595713, 4358440, 4794284, 5230128, 5992855, 6537660, 7191426, 8716880, 9588568, 11985710, 13075320, 14382852, 17978565, 19177136, 23971420, 26150640, 28765704, 35957130, 47942840, 57531408, 71914260, 95885680, 143828520, 287657040]

約数ペア:

[(1, 287657040), (2, 143828520), (3, 95885680), (4, 71914260), (5, 57531408), (6, 47942840), (8, 35957130), (10, 28765704), (11, 26150640), (12, 23971420), (15, 19177136), (16, 17978565), (20, 14382852), (22, 13075320), (24, 11985710), (30, 9588568), (33, 8716880), (40, 7191426), (44, 6537660), (48, 5992855), (55, 5230128), (60, 4794284), (66, 4358440), (80, 3595713), (88, 3268830), (110, 2615064), (120, 2397142), (132, 2179220), (165, 1743376), (176, 1634415), (220, 1307532), (240, 1198571), (264, 1089610), (330, 871688), (440, 653766), (528, 544805), (660, 435844), (880, 326883), (1320, 217922), (2640, 108961)]