82418220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6535

約数の個数: 72

約数和(自身を含む): 253562400

約数和(自身を除く): 171144180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6449, 12780, 12898, 19347, 25796, 32245, 38694, 58041, 64490, 77388, 96735, 116082, 128980, 193470, 232164, 290205, 386940, 457879, 580410, 915758, 1160820, 1373637, 1831516, 2289395, 2747274, 4120911, 4578790, 5494548, 6868185, 8241822, 9157580, 13736370, 16483644, 20604555, 27472740, 41209110, 82418220]

約数ペア:

[(1, 82418220), (2, 41209110), (3, 27472740), (4, 20604555), (5, 16483644), (6, 13736370), (9, 9157580), (10, 8241822), (12, 6868185), (15, 5494548), (18, 4578790), (20, 4120911), (30, 2747274), (36, 2289395), (45, 1831516), (60, 1373637), (71, 1160820), (90, 915758), (142, 580410), (180, 457879), (213, 386940), (284, 290205), (355, 232164), (426, 193470), (639, 128980), (710, 116082), (852, 96735), (1065, 77388), (1278, 64490), (1420, 58041), (2130, 38694), (2556, 32245), (3195, 25796), (4260, 19347), (6390, 12898), (6449, 12780)]