18816480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 65454480

約数和(自身を除く): 46638000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 179, 180, 219, 240, 288, 292, 358, 360, 365, 438, 480, 537, 584, 657, 716, 720, 730, 876, 895, 1074, 1095, 1168, 1314, 1432, 1440, 1460, 1611, 1752, 1790, 2148, 2190, 2336, 2628, 2685, 2864, 2920, 3222, 3285, 3504, 3580, 4296, 4380, 5256, 5370, 5728, 5840, 6444, 6570, 7008, 7160, 8055, 8592, 8760, 10512, 10740, 11680, 12888, 13067, 13140, 14320, 16110, 17184, 17520, 21024, 21480, 25776, 26134, 26280, 28640, 32220, 35040, 39201, 42960, 51552, 52268, 52560, 64440, 65335, 78402, 85920, 104536, 105120, 117603, 128880, 130670, 156804, 196005, 209072, 235206, 257760, 261340, 313608, 392010, 418144, 470412, 522680, 588015, 627216, 784020, 940824, 1045360, 1176030, 1254432, 1568040, 1881648, 2090720, 2352060, 3136080, 3763296, 4704120, 6272160, 9408240, 18816480]

約数ペア:

[(1, 18816480), (2, 9408240), (3, 6272160), (4, 4704120), (5, 3763296), (6, 3136080), (8, 2352060), (9, 2090720), (10, 1881648), (12, 1568040), (15, 1254432), (16, 1176030), (18, 1045360), (20, 940824), (24, 784020), (30, 627216), (32, 588015), (36, 522680), (40, 470412), (45, 418144), (48, 392010), (60, 313608), (72, 261340), (73, 257760), (80, 235206), (90, 209072), (96, 196005), (120, 156804), (144, 130670), (146, 128880), (160, 117603), (179, 105120), (180, 104536), (219, 85920), (240, 78402), (288, 65335), (292, 64440), (358, 52560), (360, 52268), (365, 51552), (438, 42960), (480, 39201), (537, 35040), (584, 32220), (657, 28640), (716, 26280), (720, 26134), (730, 25776), (876, 21480), (895, 21024), (1074, 17520), (1095, 17184), (1168, 16110), (1314, 14320), (1432, 13140), (1440, 13067), (1460, 12888), (1611, 11680), (1752, 10740), (1790, 10512), (2148, 8760), (2190, 8592), (2336, 8055), (2628, 7160), (2685, 7008), (2864, 6570), (2920, 6444), (3222, 5840), (3285, 5728), (3504, 5370), (3580, 5256), (4296, 4380)]