18144240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 62138880

約数和(自身を除く): 43994640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 114, 115, 120, 138, 152, 173, 184, 190, 228, 230, 240, 276, 285, 304, 345, 346, 368, 380, 437, 456, 460, 519, 552, 570, 690, 692, 760, 865, 874, 912, 920, 1038, 1104, 1140, 1311, 1380, 1384, 1520, 1730, 1748, 1840, 2076, 2185, 2280, 2595, 2622, 2760, 2768, 3287, 3460, 3496, 3979, 4152, 4370, 4560, 5190, 5244, 5520, 6555, 6574, 6920, 6992, 7958, 8304, 8740, 9861, 10380, 10488, 11937, 13110, 13148, 13840, 15916, 16435, 17480, 19722, 19895, 20760, 20976, 23874, 26220, 26296, 31832, 32870, 34960, 39444, 39790, 41520, 47748, 49305, 52440, 52592, 59685, 63664, 65740, 75601, 78888, 79580, 95496, 98610, 104880, 119370, 131480, 151202, 157776, 159160, 190992, 197220, 226803, 238740, 262960, 302404, 318320, 378005, 394440, 453606, 477480, 604808, 756010, 788880, 907212, 954960, 1134015, 1209616, 1512020, 1814424, 2268030, 3024040, 3628848, 4536060, 6048080, 9072120, 18144240]

約数ペア:

[(1, 18144240), (2, 9072120), (3, 6048080), (4, 4536060), (5, 3628848), (6, 3024040), (8, 2268030), (10, 1814424), (12, 1512020), (15, 1209616), (16, 1134015), (19, 954960), (20, 907212), (23, 788880), (24, 756010), (30, 604808), (38, 477480), (40, 453606), (46, 394440), (48, 378005), (57, 318320), (60, 302404), (69, 262960), (76, 238740), (80, 226803), (92, 197220), (95, 190992), (114, 159160), (115, 157776), (120, 151202), (138, 131480), (152, 119370), (173, 104880), (184, 98610), (190, 95496), (228, 79580), (230, 78888), (240, 75601), (276, 65740), (285, 63664), (304, 59685), (345, 52592), (346, 52440), (368, 49305), (380, 47748), (437, 41520), (456, 39790), (460, 39444), (519, 34960), (552, 32870), (570, 31832), (690, 26296), (692, 26220), (760, 23874), (865, 20976), (874, 20760), (912, 19895), (920, 19722), (1038, 17480), (1104, 16435), (1140, 15916), (1311, 13840), (1380, 13148), (1384, 13110), (1520, 11937), (1730, 10488), (1748, 10380), (1840, 9861), (2076, 8740), (2185, 8304), (2280, 7958), (2595, 6992), (2622, 6920), (2760, 6574), (2768, 6555), (3287, 5520), (3460, 5244), (3496, 5190), (3979, 4560), (4152, 4370)]