681696180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{344291}}^1$

素因数の和:344317

約数の個数: 72

約数和(自身を含む): 2255801184

約数和(自身を除く): 1574105004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 344291, 688582, 1032873, 1377164, 1721455, 2065746, 3098619, 3442910, 3787201, 4131492, 5164365, 6197238, 6885820, 7574402, 10328730, 11361603, 12394476, 15148804, 15493095, 18936005, 20657460, 22723206, 30986190, 34084809, 37872010, 45446412, 56808015, 61972380, 68169618, 75744020, 113616030, 136339236, 170424045, 227232060, 340848090, 681696180]

約数ペア:

[(1, 681696180), (2, 340848090), (3, 227232060), (4, 170424045), (5, 136339236), (6, 113616030), (9, 75744020), (10, 68169618), (11, 61972380), (12, 56808015), (15, 45446412), (18, 37872010), (20, 34084809), (22, 30986190), (30, 22723206), (33, 20657460), (36, 18936005), (44, 15493095), (45, 15148804), (55, 12394476), (60, 11361603), (66, 10328730), (90, 7574402), (99, 6885820), (110, 6197238), (132, 5164365), (165, 4131492), (180, 3787201), (198, 3442910), (220, 3098619), (330, 2065746), (396, 1721455), (495, 1377164), (660, 1032873), (990, 688582), (1980, 344291)]