822780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{653}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 2856672

約数和(自身を除く): 2033892

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, 653, 1260, 1306, 1959, 2612, 3265, 3918, 4571, 5877, 6530, 7836, 9142, 9795, 11754, 13060, 13713, 18284, 19590, 22855, 23508, 27426, 29385, 39180, 41139, 45710, 54852, 58770, 68565, 82278, 91420, 117540, 137130, 164556, 205695, 274260, 411390, 822780]

約数ペア:

[(1, 822780), (2, 411390), (3, 274260), (4, 205695), (5, 164556), (6, 137130), (7, 117540), (9, 91420), (10, 82278), (12, 68565), (14, 58770), (15, 54852), (18, 45710), (20, 41139), (21, 39180), (28, 29385), (30, 27426), (35, 23508), (36, 22855), (42, 19590), (45, 18284), (60, 13713), (63, 13060), (70, 11754), (84, 9795), (90, 9142), (105, 7836), (126, 6530), (140, 5877), (180, 4571), (210, 3918), (252, 3265), (315, 2612), (420, 1959), (630, 1306), (653, 1260)]