78405840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{36299}}^1$

素因数の和:36321

約数の個数: 80

約数和(自身を含む): 270072000

約数和(自身を除く): 191666160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 36299, 72598, 108897, 145196, 181495, 217794, 290392, 326691, 362990, 435588, 544485, 580784, 653382, 725980, 871176, 980073, 1088970, 1306764, 1451960, 1633455, 1742352, 1960146, 2177940, 2613528, 2903920, 3266910, 3920292, 4355880, 4900365, 5227056, 6533820, 7840584, 8711760, 9800730, 13067640, 15681168, 19601460, 26135280, 39202920, 78405840]

約数ペア:

[(1, 78405840), (2, 39202920), (3, 26135280), (4, 19601460), (5, 15681168), (6, 13067640), (8, 9800730), (9, 8711760), (10, 7840584), (12, 6533820), (15, 5227056), (16, 4900365), (18, 4355880), (20, 3920292), (24, 3266910), (27, 2903920), (30, 2613528), (36, 2177940), (40, 1960146), (45, 1742352), (48, 1633455), (54, 1451960), (60, 1306764), (72, 1088970), (80, 980073), (90, 871176), (108, 725980), (120, 653382), (135, 580784), (144, 544485), (180, 435588), (216, 362990), (240, 326691), (270, 290392), (360, 217794), (432, 181495), (540, 145196), (720, 108897), (1080, 72598), (2160, 36299)]