2878260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 10342080

約数和(自身を除く): 7463820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 89, 98, 105, 110, 132, 140, 147, 154, 165, 178, 196, 210, 220, 231, 245, 267, 294, 308, 330, 356, 385, 420, 445, 462, 490, 534, 539, 588, 623, 660, 735, 770, 890, 924, 979, 980, 1068, 1078, 1155, 1246, 1335, 1470, 1540, 1617, 1780, 1869, 1958, 2156, 2310, 2492, 2670, 2695, 2937, 2940, 3115, 3234, 3738, 3916, 4361, 4620, 4895, 5340, 5390, 5874, 6230, 6468, 6853, 7476, 8085, 8722, 9345, 9790, 10780, 11748, 12460, 13083, 13706, 14685, 16170, 17444, 18690, 19580, 20559, 21805, 26166, 27412, 29370, 32340, 34265, 37380, 41118, 43610, 47971, 52332, 58740, 65415, 68530, 82236, 87220, 95942, 102795, 130830, 137060, 143913, 191884, 205590, 239855, 261660, 287826, 411180, 479710, 575652, 719565, 959420, 1439130, 2878260]

約数ペア:

[(1, 2878260), (2, 1439130), (3, 959420), (4, 719565), (5, 575652), (6, 479710), (7, 411180), (10, 287826), (11, 261660), (12, 239855), (14, 205590), (15, 191884), (20, 143913), (21, 137060), (22, 130830), (28, 102795), (30, 95942), (33, 87220), (35, 82236), (42, 68530), (44, 65415), (49, 58740), (55, 52332), (60, 47971), (66, 43610), (70, 41118), (77, 37380), (84, 34265), (89, 32340), (98, 29370), (105, 27412), (110, 26166), (132, 21805), (140, 20559), (147, 19580), (154, 18690), (165, 17444), (178, 16170), (196, 14685), (210, 13706), (220, 13083), (231, 12460), (245, 11748), (267, 10780), (294, 9790), (308, 9345), (330, 8722), (356, 8085), (385, 7476), (420, 6853), (445, 6468), (462, 6230), (490, 5874), (534, 5390), (539, 5340), (588, 4895), (623, 4620), (660, 4361), (735, 3916), (770, 3738), (890, 3234), (924, 3115), (979, 2940), (980, 2937), (1068, 2695), (1078, 2670), (1155, 2492), (1246, 2310), (1335, 2156), (1470, 1958), (1540, 1869), (1617, 1780)]