15216120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 51681600

約数和(自身を除く): 36465480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 193, 216, 219, 270, 292, 360, 365, 386, 438, 540, 579, 584, 657, 730, 772, 876, 965, 1080, 1095, 1158, 1314, 1460, 1544, 1737, 1752, 1930, 1971, 2190, 2316, 2628, 2895, 2920, 3285, 3474, 3860, 3942, 4380, 4632, 5211, 5256, 5790, 6570, 6948, 7720, 7884, 8685, 8760, 9855, 10422, 11580, 13140, 13896, 14089, 15768, 17370, 19710, 20844, 23160, 26055, 26280, 28178, 34740, 39420, 41688, 42267, 52110, 56356, 69480, 70445, 78840, 84534, 104220, 112712, 126801, 140890, 169068, 208440, 211335, 253602, 281780, 338136, 380403, 422670, 507204, 563560, 634005, 760806, 845340, 1014408, 1268010, 1521612, 1690680, 1902015, 2536020, 3043224, 3804030, 5072040, 7608060, 15216120]

約数ペア:

[(1, 15216120), (2, 7608060), (3, 5072040), (4, 3804030), (5, 3043224), (6, 2536020), (8, 1902015), (9, 1690680), (10, 1521612), (12, 1268010), (15, 1014408), (18, 845340), (20, 760806), (24, 634005), (27, 563560), (30, 507204), (36, 422670), (40, 380403), (45, 338136), (54, 281780), (60, 253602), (72, 211335), (73, 208440), (90, 169068), (108, 140890), (120, 126801), (135, 112712), (146, 104220), (180, 84534), (193, 78840), (216, 70445), (219, 69480), (270, 56356), (292, 52110), (360, 42267), (365, 41688), (386, 39420), (438, 34740), (540, 28178), (579, 26280), (584, 26055), (657, 23160), (730, 20844), (772, 19710), (876, 17370), (965, 15768), (1080, 14089), (1095, 13896), (1158, 13140), (1314, 11580), (1460, 10422), (1544, 9855), (1737, 8760), (1752, 8685), (1930, 7884), (1971, 7720), (2190, 6948), (2316, 6570), (2628, 5790), (2895, 5256), (2920, 5211), (3285, 4632), (3474, 4380), (3860, 3942)]