16451280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 56184648

約数和(自身を除く): 39733368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 313, 360, 365, 438, 584, 626, 657, 720, 730, 876, 939, 1095, 1168, 1252, 1314, 1460, 1565, 1752, 1878, 2190, 2504, 2628, 2817, 2920, 3130, 3285, 3504, 3756, 4380, 4695, 5008, 5256, 5634, 5840, 6260, 6570, 7512, 8760, 9390, 10512, 11268, 12520, 13140, 14085, 15024, 17520, 18780, 22536, 22849, 25040, 26280, 28170, 37560, 45072, 45698, 52560, 56340, 68547, 75120, 91396, 112680, 114245, 137094, 182792, 205641, 225360, 228490, 274188, 342735, 365584, 411282, 456980, 548376, 685470, 822564, 913960, 1028205, 1096752, 1370940, 1645128, 1827920, 2056410, 2741880, 3290256, 4112820, 5483760, 8225640, 16451280]

約数ペア:

[(1, 16451280), (2, 8225640), (3, 5483760), (4, 4112820), (5, 3290256), (6, 2741880), (8, 2056410), (9, 1827920), (10, 1645128), (12, 1370940), (15, 1096752), (16, 1028205), (18, 913960), (20, 822564), (24, 685470), (30, 548376), (36, 456980), (40, 411282), (45, 365584), (48, 342735), (60, 274188), (72, 228490), (73, 225360), (80, 205641), (90, 182792), (120, 137094), (144, 114245), (146, 112680), (180, 91396), (219, 75120), (240, 68547), (292, 56340), (313, 52560), (360, 45698), (365, 45072), (438, 37560), (584, 28170), (626, 26280), (657, 25040), (720, 22849), (730, 22536), (876, 18780), (939, 17520), (1095, 15024), (1168, 14085), (1252, 13140), (1314, 12520), (1460, 11268), (1565, 10512), (1752, 9390), (1878, 8760), (2190, 7512), (2504, 6570), (2628, 6260), (2817, 5840), (2920, 5634), (3130, 5256), (3285, 5008), (3504, 4695), (3756, 4380)]