66868340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6203}}^1$

素因数の和:6237

約数の個数: 72

約数和(自身を含む): 178228512

約数和(自身を除く): 111360172

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6203, 10780, 12406, 24812, 31015, 43421, 62030, 68233, 86842, 124060, 136466, 173684, 217105, 272932, 303947, 341165, 434210, 477631, 607894, 682330, 868420, 955262, 1215788, 1364660, 1519735, 1910524, 2388155, 3039470, 3343417, 4776310, 6078940, 6686834, 9552620, 13373668, 16717085, 33434170, 66868340]

約数ペア:

[(1, 66868340), (2, 33434170), (4, 16717085), (5, 13373668), (7, 9552620), (10, 6686834), (11, 6078940), (14, 4776310), (20, 3343417), (22, 3039470), (28, 2388155), (35, 1910524), (44, 1519735), (49, 1364660), (55, 1215788), (70, 955262), (77, 868420), (98, 682330), (110, 607894), (140, 477631), (154, 434210), (196, 341165), (220, 303947), (245, 272932), (308, 217105), (385, 173684), (490, 136466), (539, 124060), (770, 86842), (980, 68233), (1078, 62030), (1540, 43421), (2156, 31015), (2695, 24812), (5390, 12406), (6203, 10780)]