65532780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121357}}^1$

素因数の和:121375

約数の個数: 48

約数和(自身を含む): 203881440

約数和(自身を除く): 138348660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 121357, 242714, 364071, 485428, 606785, 728142, 1092213, 1213570, 1456284, 1820355, 2184426, 2427140, 3276639, 3640710, 4368852, 5461065, 6553278, 7281420, 10922130, 13106556, 16383195, 21844260, 32766390, 65532780]

約数ペア:

[(1, 65532780), (2, 32766390), (3, 21844260), (4, 16383195), (5, 13106556), (6, 10922130), (9, 7281420), (10, 6553278), (12, 5461065), (15, 4368852), (18, 3640710), (20, 3276639), (27, 2427140), (30, 2184426), (36, 1820355), (45, 1456284), (54, 1213570), (60, 1092213), (90, 728142), (108, 606785), (135, 485428), (180, 364071), (270, 242714), (540, 121357)]