131029920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 288

約数和(自身を含む): 534340800

約数和(自身を除く): 403310880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 619, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1238, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1857, 1890, 1960, 2016, 2160, 2205, 2352, 2476, 2520, 2646, 2940, 3024, 3095, 3360, 3528, 3714, 3780, 3920, 4320, 4333, 4410, 4704, 4952, 5040, 5292, 5571, 5880, 6048, 6190, 6615, 7056, 7428, 7560, 7840, 8666, 8820, 9285, 9904, 10080, 10584, 11142, 11760, 12380, 12999, 13230, 14112, 14856, 15120, 16713, 17332, 17640, 18570, 19808, 21168, 21665, 22284, 23520, 24760, 25998, 26460, 27855, 29712, 30240, 30331, 33426, 34664, 35280, 37140, 38997, 42336, 43330, 44568, 49520, 51996, 52920, 55710, 59424, 60662, 64995, 66852, 69328, 70560, 74280, 77994, 83565, 86660, 89136, 90993, 99040, 103992, 105840, 111420, 116991, 121324, 129990, 133704, 138656, 148560, 151655, 155988, 167130, 173320, 178272, 181986, 194985, 207984, 211680, 222840, 233982, 242648, 259980, 267408, 272979, 297120, 303310, 311976, 334260, 346640, 363972, 389970, 415968, 445680, 454965, 467964, 485296, 519960, 534816, 545958, 584955, 606620, 623952, 668520, 693280, 727944, 779940, 818937, 891360, 909930, 935928, 970592, 1039920, 1091916, 1169910, 1213240, 1247904, 1337040, 1364895, 1455888, 1559880, 1637874, 1819860, 1871856, 2079840, 2183832, 2339820, 2426480, 2674080, 2729790, 2911776, 3119760, 3275748, 3639720, 3743712, 4094685, 4367664, 4679640, 4852960, 5459580, 6239520, 6551496, 7279440, 8189370, 8735328, 9359280, 10919160, 13102992, 14558880, 16378740, 18718560, 21838320, 26205984, 32757480, 43676640, 65514960, 131029920]

約数ペア:

[(1, 131029920), (2, 65514960), (3, 43676640), (4, 32757480), (5, 26205984), (6, 21838320), (7, 18718560), (8, 16378740), (9, 14558880), (10, 13102992), (12, 10919160), (14, 9359280), (15, 8735328), (16, 8189370), (18, 7279440), (20, 6551496), (21, 6239520), (24, 5459580), (27, 4852960), (28, 4679640), (30, 4367664), (32, 4094685), (35, 3743712), (36, 3639720), (40, 3275748), (42, 3119760), (45, 2911776), (48, 2729790), (49, 2674080), (54, 2426480), (56, 2339820), (60, 2183832), (63, 2079840), (70, 1871856), (72, 1819860), (80, 1637874), (84, 1559880), (90, 1455888), (96, 1364895), (98, 1337040), (105, 1247904), (108, 1213240), (112, 1169910), (120, 1091916), (126, 1039920), (135, 970592), (140, 935928), (144, 909930), (147, 891360), (160, 818937), (168, 779940), (180, 727944), (189, 693280), (196, 668520), (210, 623952), (216, 606620), (224, 584955), (240, 545958), (245, 534816), (252, 519960), (270, 485296), (280, 467964), (288, 454965), (294, 445680), (315, 415968), (336, 389970), (360, 363972), (378, 346640), (392, 334260), (420, 311976), (432, 303310), (441, 297120), (480, 272979), (490, 267408), (504, 259980), (540, 242648), (560, 233982), (588, 222840), (619, 211680), (630, 207984), (672, 194985), (720, 181986), (735, 178272), (756, 173320), (784, 167130), (840, 155988), (864, 151655), (882, 148560), (945, 138656), (980, 133704), (1008, 129990), (1080, 121324), (1120, 116991), (1176, 111420), (1238, 105840), (1260, 103992), (1323, 99040), (1440, 90993), (1470, 89136), (1512, 86660), (1568, 83565), (1680, 77994), (1764, 74280), (1857, 70560), (1890, 69328), (1960, 66852), (2016, 64995), (2160, 60662), (2205, 59424), (2352, 55710), (2476, 52920), (2520, 51996), (2646, 49520), (2940, 44568), (3024, 43330), (3095, 42336), (3360, 38997), (3528, 37140), (3714, 35280), (3780, 34664), (3920, 33426), (4320, 30331), (4333, 30240), (4410, 29712), (4704, 27855), (4952, 26460), (5040, 25998), (5292, 24760), (5571, 23520), (5880, 22284), (6048, 21665), (6190, 21168), (6615, 19808), (7056, 18570), (7428, 17640), (7560, 17332), (7840, 16713), (8666, 15120), (8820, 14856), (9285, 14112), (9904, 13230), (10080, 12999), (10584, 12380), (11142, 11760)]