131021280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2333}}^1$

素因数の和:2370

約数の個数: 192

約数和(自身を含む): 494061120

約数和(自身を除く): 363039840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2333, 2340, 2808, 3120, 3510, 3744, 4320, 4666, 4680, 5616, 6240, 6999, 7020, 9332, 9360, 11232, 11665, 13998, 14040, 18664, 18720, 20997, 23330, 27996, 28080, 30329, 34995, 37328, 41994, 46660, 55992, 56160, 60658, 62991, 69990, 74656, 83988, 90987, 93320, 104985, 111984, 121316, 125982, 139980, 151645, 167976, 181974, 186640, 209970, 223968, 242632, 251964, 272961, 279960, 303290, 314955, 335952, 363948, 373280, 419940, 454935, 485264, 503928, 545922, 559920, 606580, 629910, 671904, 727896, 818883, 839880, 909870, 970528, 1007856, 1091844, 1119840, 1213160, 1259820, 1364805, 1455792, 1637766, 1679760, 1819740, 2015712, 2183688, 2426320, 2519640, 2729610, 2911584, 3275532, 3359520, 3639480, 4094415, 4367376, 4852640, 5039280, 5459220, 6551064, 7278960, 8188830, 8734752, 10078560, 10918440, 13102128, 14557920, 16377660, 21836880, 26204256, 32755320, 43673760, 65510640, 131021280]

約数ペア:

[(1, 131021280), (2, 65510640), (3, 43673760), (4, 32755320), (5, 26204256), (6, 21836880), (8, 16377660), (9, 14557920), (10, 13102128), (12, 10918440), (13, 10078560), (15, 8734752), (16, 8188830), (18, 7278960), (20, 6551064), (24, 5459220), (26, 5039280), (27, 4852640), (30, 4367376), (32, 4094415), (36, 3639480), (39, 3359520), (40, 3275532), (45, 2911584), (48, 2729610), (52, 2519640), (54, 2426320), (60, 2183688), (65, 2015712), (72, 1819740), (78, 1679760), (80, 1637766), (90, 1455792), (96, 1364805), (104, 1259820), (108, 1213160), (117, 1119840), (120, 1091844), (130, 1007856), (135, 970528), (144, 909870), (156, 839880), (160, 818883), (180, 727896), (195, 671904), (208, 629910), (216, 606580), (234, 559920), (240, 545922), (260, 503928), (270, 485264), (288, 454935), (312, 419940), (351, 373280), (360, 363948), (390, 335952), (416, 314955), (432, 303290), (468, 279960), (480, 272961), (520, 251964), (540, 242632), (585, 223968), (624, 209970), (702, 186640), (720, 181974), (780, 167976), (864, 151645), (936, 139980), (1040, 125982), (1080, 121316), (1170, 111984), (1248, 104985), (1404, 93320), (1440, 90987), (1560, 83988), (1755, 74656), (1872, 69990), (2080, 62991), (2160, 60658), (2333, 56160), (2340, 55992), (2808, 46660), (3120, 41994), (3510, 37328), (3744, 34995), (4320, 30329), (4666, 28080), (4680, 27996), (5616, 23330), (6240, 20997), (6999, 18720), (7020, 18664), (9332, 14040), (9360, 13998), (11232, 11665)]