15255540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 49777728

約数和(自身を除く): 34522188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 73, 81, 86, 90, 108, 129, 135, 146, 162, 172, 180, 215, 219, 243, 258, 270, 292, 324, 365, 387, 405, 430, 438, 486, 516, 540, 645, 657, 730, 774, 810, 860, 876, 972, 1095, 1161, 1215, 1290, 1314, 1460, 1548, 1620, 1935, 1971, 2190, 2322, 2430, 2580, 2628, 3139, 3285, 3483, 3870, 3942, 4380, 4644, 4860, 5805, 5913, 6278, 6570, 6966, 7740, 7884, 9417, 9855, 10449, 11610, 11826, 12556, 13140, 13932, 15695, 17415, 17739, 18834, 19710, 20898, 23220, 23652, 28251, 29565, 31390, 34830, 35478, 37668, 39420, 41796, 47085, 52245, 56502, 59130, 62780, 69660, 70956, 84753, 88695, 94170, 104490, 113004, 118260, 141255, 169506, 177390, 188340, 208980, 254259, 282510, 339012, 354780, 423765, 508518, 565020, 762777, 847530, 1017036, 1271295, 1525554, 1695060, 2542590, 3051108, 3813885, 5085180, 7627770, 15255540]

約数ペア:

[(1, 15255540), (2, 7627770), (3, 5085180), (4, 3813885), (5, 3051108), (6, 2542590), (9, 1695060), (10, 1525554), (12, 1271295), (15, 1017036), (18, 847530), (20, 762777), (27, 565020), (30, 508518), (36, 423765), (43, 354780), (45, 339012), (54, 282510), (60, 254259), (73, 208980), (81, 188340), (86, 177390), (90, 169506), (108, 141255), (129, 118260), (135, 113004), (146, 104490), (162, 94170), (172, 88695), (180, 84753), (215, 70956), (219, 69660), (243, 62780), (258, 59130), (270, 56502), (292, 52245), (324, 47085), (365, 41796), (387, 39420), (405, 37668), (430, 35478), (438, 34830), (486, 31390), (516, 29565), (540, 28251), (645, 23652), (657, 23220), (730, 20898), (774, 19710), (810, 18834), (860, 17739), (876, 17415), (972, 15695), (1095, 13932), (1161, 13140), (1215, 12556), (1290, 11826), (1314, 11610), (1460, 10449), (1548, 9855), (1620, 9417), (1935, 7884), (1971, 7740), (2190, 6966), (2322, 6570), (2430, 6278), (2580, 5913), (2628, 5805), (3139, 4860), (3285, 4644), (3483, 4380), (3870, 3942)]