15405120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1809

約数の個数: 112

約数和(自身を含む): 54376320

約数和(自身を除く): 38971200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 1783, 2160, 2880, 3566, 4320, 5349, 7132, 8640, 8915, 10698, 14264, 16047, 17830, 21396, 26745, 28528, 32094, 35660, 42792, 48141, 53490, 57056, 64188, 71320, 80235, 85584, 96282, 106980, 114112, 128376, 142640, 160470, 171168, 192564, 213960, 240705, 256752, 285280, 320940, 342336, 385128, 427920, 481410, 513504, 570560, 641880, 770256, 855840, 962820, 1027008, 1283760, 1540512, 1711680, 1925640, 2567520, 3081024, 3851280, 5135040, 7702560, 15405120]

約数ペア:

[(1, 15405120), (2, 7702560), (3, 5135040), (4, 3851280), (5, 3081024), (6, 2567520), (8, 1925640), (9, 1711680), (10, 1540512), (12, 1283760), (15, 1027008), (16, 962820), (18, 855840), (20, 770256), (24, 641880), (27, 570560), (30, 513504), (32, 481410), (36, 427920), (40, 385128), (45, 342336), (48, 320940), (54, 285280), (60, 256752), (64, 240705), (72, 213960), (80, 192564), (90, 171168), (96, 160470), (108, 142640), (120, 128376), (135, 114112), (144, 106980), (160, 96282), (180, 85584), (192, 80235), (216, 71320), (240, 64188), (270, 57056), (288, 53490), (320, 48141), (360, 42792), (432, 35660), (480, 32094), (540, 28528), (576, 26745), (720, 21396), (864, 17830), (960, 16047), (1080, 14264), (1440, 10698), (1728, 8915), (1783, 8640), (2160, 7132), (2880, 5349), (3566, 4320)]