16974180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 51872184

約数和(自身を除く): 34898004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 521, 543, 724, 905, 1042, 1086, 1563, 1629, 1810, 2084, 2172, 2605, 2715, 3126, 3258, 3620, 4689, 5210, 5430, 6252, 6516, 7815, 8145, 9378, 10420, 10860, 15630, 16290, 18756, 23445, 31260, 32580, 46890, 93780, 94301, 188602, 282903, 377204, 471505, 565806, 848709, 943010, 1131612, 1414515, 1697418, 1886020, 2829030, 3394836, 4243545, 5658060, 8487090, 16974180]

約数ペア:

[(1, 16974180), (2, 8487090), (3, 5658060), (4, 4243545), (5, 3394836), (6, 2829030), (9, 1886020), (10, 1697418), (12, 1414515), (15, 1131612), (18, 943010), (20, 848709), (30, 565806), (36, 471505), (45, 377204), (60, 282903), (90, 188602), (180, 94301), (181, 93780), (362, 46890), (521, 32580), (543, 31260), (724, 23445), (905, 18756), (1042, 16290), (1086, 15630), (1563, 10860), (1629, 10420), (1810, 9378), (2084, 8145), (2172, 7815), (2605, 6516), (2715, 6252), (3126, 5430), (3258, 5210), (3620, 4689)]