15998004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 28817676

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 569, 639, 781, 852, 1138, 1278, 1562, 1707, 2276, 2343, 2556, 3124, 3414, 4686, 5121, 6259, 6828, 7029, 9372, 10242, 12518, 14058, 18777, 20484, 25036, 28116, 37554, 40399, 56331, 75108, 80798, 112662, 121197, 161596, 225324, 242394, 363591, 444389, 484788, 727182, 888778, 1333167, 1454364, 1777556, 2666334, 3999501, 5332668, 7999002, 15998004]

約数ペア:

[(1, 15998004), (2, 7999002), (3, 5332668), (4, 3999501), (6, 2666334), (9, 1777556), (11, 1454364), (12, 1333167), (18, 888778), (22, 727182), (33, 484788), (36, 444389), (44, 363591), (66, 242394), (71, 225324), (99, 161596), (132, 121197), (142, 112662), (198, 80798), (213, 75108), (284, 56331), (396, 40399), (426, 37554), (569, 28116), (639, 25036), (781, 20484), (852, 18777), (1138, 14058), (1278, 12518), (1562, 10242), (1707, 9372), (2276, 7029), (2343, 6828), (2556, 6259), (3124, 5121), (3414, 4686)]