851708340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{675959}}^1$

素因数の和:675981

約数の個数: 72

約数和(自身を含む): 2952593280

約数和(自身を除く): 2100884940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 675959, 1351918, 2027877, 2703836, 3379795, 4055754, 4731713, 6083631, 6759590, 8111508, 9463426, 10139385, 12167262, 13519180, 14195139, 18926852, 20278770, 23658565, 24334524, 28390278, 30418155, 40557540, 42585417, 47317130, 56780556, 60836310, 70975695, 85170834, 94634260, 121672620, 141951390, 170341668, 212927085, 283902780, 425854170, 851708340]

約数ペア:

[(1, 851708340), (2, 425854170), (3, 283902780), (4, 212927085), (5, 170341668), (6, 141951390), (7, 121672620), (9, 94634260), (10, 85170834), (12, 70975695), (14, 60836310), (15, 56780556), (18, 47317130), (20, 42585417), (21, 40557540), (28, 30418155), (30, 28390278), (35, 24334524), (36, 23658565), (42, 20278770), (45, 18926852), (60, 14195139), (63, 13519180), (70, 12167262), (84, 10139385), (90, 9463426), (105, 8111508), (126, 6759590), (140, 6083631), (180, 4731713), (210, 4055754), (252, 3379795), (315, 2703836), (420, 2027877), (630, 1351918), (1260, 675959)]