20148240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 160

約数和(自身を含む): 72852480

約数和(自身を除く): 52704240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 105, 112, 120, 134, 140, 168, 179, 201, 210, 240, 268, 280, 335, 336, 358, 402, 420, 469, 536, 537, 560, 670, 716, 804, 840, 895, 938, 1005, 1072, 1074, 1253, 1340, 1407, 1432, 1608, 1680, 1790, 1876, 2010, 2148, 2345, 2506, 2680, 2685, 2814, 2864, 3216, 3580, 3752, 3759, 4020, 4296, 4690, 5012, 5360, 5370, 5628, 6265, 7035, 7160, 7504, 7518, 8040, 8592, 9380, 10024, 10740, 11256, 11993, 12530, 14070, 14320, 15036, 16080, 18760, 18795, 20048, 21480, 22512, 23986, 25060, 28140, 30072, 35979, 37520, 37590, 42960, 47972, 50120, 56280, 59965, 60144, 71958, 75180, 83951, 95944, 100240, 112560, 119930, 143916, 150360, 167902, 179895, 191888, 239860, 251853, 287832, 300720, 335804, 359790, 419755, 479720, 503706, 575664, 671608, 719580, 839510, 959440, 1007412, 1259265, 1343216, 1439160, 1679020, 2014824, 2518530, 2878320, 3358040, 4029648, 5037060, 6716080, 10074120, 20148240]

約数ペア:

[(1, 20148240), (2, 10074120), (3, 6716080), (4, 5037060), (5, 4029648), (6, 3358040), (7, 2878320), (8, 2518530), (10, 2014824), (12, 1679020), (14, 1439160), (15, 1343216), (16, 1259265), (20, 1007412), (21, 959440), (24, 839510), (28, 719580), (30, 671608), (35, 575664), (40, 503706), (42, 479720), (48, 419755), (56, 359790), (60, 335804), (67, 300720), (70, 287832), (80, 251853), (84, 239860), (105, 191888), (112, 179895), (120, 167902), (134, 150360), (140, 143916), (168, 119930), (179, 112560), (201, 100240), (210, 95944), (240, 83951), (268, 75180), (280, 71958), (335, 60144), (336, 59965), (358, 56280), (402, 50120), (420, 47972), (469, 42960), (536, 37590), (537, 37520), (560, 35979), (670, 30072), (716, 28140), (804, 25060), (840, 23986), (895, 22512), (938, 21480), (1005, 20048), (1072, 18795), (1074, 18760), (1253, 16080), (1340, 15036), (1407, 14320), (1432, 14070), (1608, 12530), (1680, 11993), (1790, 11256), (1876, 10740), (2010, 10024), (2148, 9380), (2345, 8592), (2506, 8040), (2680, 7518), (2685, 7504), (2814, 7160), (2864, 7035), (3216, 6265), (3580, 5628), (3752, 5370), (3759, 5360), (4020, 5012), (4296, 4690)]