29951880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 103783680

約数和(自身を除く): 73831800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 197, 210, 280, 362, 394, 420, 543, 591, 724, 788, 840, 905, 985, 1086, 1182, 1267, 1379, 1448, 1576, 1810, 1970, 2172, 2364, 2534, 2715, 2758, 2955, 3620, 3801, 3940, 4137, 4344, 4728, 5068, 5430, 5516, 5910, 6335, 6895, 7240, 7602, 7880, 8274, 10136, 10860, 11032, 11820, 12670, 13790, 15204, 16548, 19005, 20685, 21720, 23640, 25340, 27580, 30408, 33096, 35657, 38010, 41370, 50680, 55160, 71314, 76020, 82740, 106971, 142628, 152040, 165480, 178285, 213942, 249599, 285256, 356570, 427884, 499198, 534855, 713140, 748797, 855768, 998396, 1069710, 1247995, 1426280, 1497594, 1996792, 2139420, 2495990, 2995188, 3743985, 4278840, 4991980, 5990376, 7487970, 9983960, 14975940, 29951880]

約数ペア:

[(1, 29951880), (2, 14975940), (3, 9983960), (4, 7487970), (5, 5990376), (6, 4991980), (7, 4278840), (8, 3743985), (10, 2995188), (12, 2495990), (14, 2139420), (15, 1996792), (20, 1497594), (21, 1426280), (24, 1247995), (28, 1069710), (30, 998396), (35, 855768), (40, 748797), (42, 713140), (56, 534855), (60, 499198), (70, 427884), (84, 356570), (105, 285256), (120, 249599), (140, 213942), (168, 178285), (181, 165480), (197, 152040), (210, 142628), (280, 106971), (362, 82740), (394, 76020), (420, 71314), (543, 55160), (591, 50680), (724, 41370), (788, 38010), (840, 35657), (905, 33096), (985, 30408), (1086, 27580), (1182, 25340), (1267, 23640), (1379, 21720), (1448, 20685), (1576, 19005), (1810, 16548), (1970, 15204), (2172, 13790), (2364, 12670), (2534, 11820), (2715, 11032), (2758, 10860), (2955, 10136), (3620, 8274), (3801, 7880), (3940, 7602), (4137, 7240), (4344, 6895), (4728, 6335), (5068, 5910), (5430, 5516)]