68774420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 171884160

約数和(自身を除く): 103109740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 139, 143, 173, 220, 260, 278, 286, 346, 556, 572, 692, 695, 715, 865, 1390, 1430, 1529, 1730, 1807, 1903, 2249, 2780, 2860, 3058, 3460, 3614, 3806, 4498, 6116, 7228, 7612, 7645, 8996, 9035, 9515, 11245, 15290, 18070, 19030, 19877, 22490, 24047, 24739, 30580, 36140, 38060, 39754, 44980, 48094, 49478, 79508, 96188, 98956, 99385, 120235, 123695, 198770, 240470, 247390, 264517, 312611, 397540, 480940, 494780, 529034, 625222, 1058068, 1250444, 1322585, 1563055, 2645170, 3126110, 3438721, 5290340, 6252220, 6877442, 13754884, 17193605, 34387210, 68774420]

約数ペア:

[(1, 68774420), (2, 34387210), (4, 17193605), (5, 13754884), (10, 6877442), (11, 6252220), (13, 5290340), (20, 3438721), (22, 3126110), (26, 2645170), (44, 1563055), (52, 1322585), (55, 1250444), (65, 1058068), (110, 625222), (130, 529034), (139, 494780), (143, 480940), (173, 397540), (220, 312611), (260, 264517), (278, 247390), (286, 240470), (346, 198770), (556, 123695), (572, 120235), (692, 99385), (695, 98956), (715, 96188), (865, 79508), (1390, 49478), (1430, 48094), (1529, 44980), (1730, 39754), (1807, 38060), (1903, 36140), (2249, 30580), (2780, 24739), (2860, 24047), (3058, 22490), (3460, 19877), (3614, 19030), (3806, 18070), (4498, 15290), (6116, 11245), (7228, 9515), (7612, 9035), (7645, 8996)]