18109440

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 176

約数和(自身を含む): 64848960

約数和(自身を除く): 46739520

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, 128, 131, 135, 144, 160, 180, 192, 216, 240, 256, 262, 270, 288, 320, 360, 384, 393, 432, 480, 512, 524, 540, 576, 640, 655, 720, 768, 786, 864, 960, 1024, 1048, 1080, 1152, 1179, 1280, 1310, 1440, 1536, 1572, 1728, 1920, 1965, 2096, 2160, 2304, 2358, 2560, 2620, 2880, 3072, 3144, 3456, 3537, 3840, 3930, 4192, 4320, 4608, 4716, 5120, 5240, 5760, 5895, 6288, 6912, 7074, 7680, 7860, 8384, 8640, 9216, 9432, 10480, 11520, 11790, 12576, 13824, 14148, 15360, 15720, 16768, 17280, 17685, 18864, 20960, 23040, 23580, 25152, 27648, 28296, 31440, 33536, 34560, 35370, 37728, 41920, 46080, 47160, 50304, 56592, 62880, 67072, 69120, 70740, 75456, 83840, 94320, 100608, 113184, 125760, 134144, 138240, 141480, 150912, 167680, 188640, 201216, 226368, 251520, 282960, 301824, 335360, 377280, 402432, 452736, 503040, 565920, 603648, 670720, 754560, 905472, 1006080, 1131840, 1207296, 1509120, 1810944, 2012160, 2263680, 3018240, 3621888, 4527360, 6036480, 9054720, 18109440]

約数ペア:

[(1, 18109440), (2, 9054720), (3, 6036480), (4, 4527360), (5, 3621888), (6, 3018240), (8, 2263680), (9, 2012160), (10, 1810944), (12, 1509120), (15, 1207296), (16, 1131840), (18, 1006080), (20, 905472), (24, 754560), (27, 670720), (30, 603648), (32, 565920), (36, 503040), (40, 452736), (45, 402432), (48, 377280), (54, 335360), (60, 301824), (64, 282960), (72, 251520), (80, 226368), (90, 201216), (96, 188640), (108, 167680), (120, 150912), (128, 141480), (131, 138240), (135, 134144), (144, 125760), (160, 113184), (180, 100608), (192, 94320), (216, 83840), (240, 75456), (256, 70740), (262, 69120), (270, 67072), (288, 62880), (320, 56592), (360, 50304), (384, 47160), (393, 46080), (432, 41920), (480, 37728), (512, 35370), (524, 34560), (540, 33536), (576, 31440), (640, 28296), (655, 27648), (720, 25152), (768, 23580), (786, 23040), (864, 20960), (960, 18864), (1024, 17685), (1048, 17280), (1080, 16768), (1152, 15720), (1179, 15360), (1280, 14148), (1310, 13824), (1440, 12576), (1536, 11790), (1572, 11520), (1728, 10480), (1920, 9432), (1965, 9216), (2096, 8640), (2160, 8384), (2304, 7860), (2358, 7680), (2560, 7074), (2620, 6912), (2880, 6288), (3072, 5895), (3144, 5760), (3456, 5240), (3537, 5120), (3840, 4716), (3930, 4608), (4192, 4320)]