161865720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 556994880

約数和(自身を除く): 395129160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 113, 115, 120, 138, 173, 180, 184, 207, 226, 230, 276, 339, 345, 346, 360, 414, 452, 460, 519, 552, 565, 678, 690, 692, 828, 865, 904, 920, 1017, 1035, 1038, 1130, 1356, 1380, 1384, 1557, 1656, 1695, 1730, 2034, 2070, 2076, 2260, 2595, 2599, 2712, 2760, 3114, 3390, 3460, 3979, 4068, 4140, 4152, 4520, 5085, 5190, 5198, 6228, 6780, 6920, 7785, 7797, 7958, 8136, 8280, 10170, 10380, 10396, 11937, 12456, 12995, 13560, 15570, 15594, 15916, 19549, 19895, 20340, 20760, 20792, 23391, 23874, 25990, 31140, 31188, 31832, 35811, 38985, 39098, 39790, 40680, 46782, 47748, 51980, 58647, 59685, 62280, 62376, 71622, 77970, 78196, 79580, 93564, 95496, 97745, 103960, 116955, 117294, 119370, 143244, 155940, 156392, 159160, 175941, 179055, 187128, 195490, 233910, 234588, 238740, 286488, 293235, 311880, 351882, 358110, 390980, 449627, 467820, 469176, 477480, 586470, 703764, 716220, 781960, 879705, 899254, 935640, 1172940, 1348881, 1407528, 1432440, 1759410, 1798508, 2248135, 2345880, 2697762, 3518820, 3597016, 4046643, 4496270, 5395524, 6744405, 7037640, 8093286, 8992540, 10791048, 13488810, 16186572, 17985080, 20233215, 26977620, 32373144, 40466430, 53955240, 80932860, 161865720]

約数ペア:

[(1, 161865720), (2, 80932860), (3, 53955240), (4, 40466430), (5, 32373144), (6, 26977620), (8, 20233215), (9, 17985080), (10, 16186572), (12, 13488810), (15, 10791048), (18, 8992540), (20, 8093286), (23, 7037640), (24, 6744405), (30, 5395524), (36, 4496270), (40, 4046643), (45, 3597016), (46, 3518820), (60, 2697762), (69, 2345880), (72, 2248135), (90, 1798508), (92, 1759410), (113, 1432440), (115, 1407528), (120, 1348881), (138, 1172940), (173, 935640), (180, 899254), (184, 879705), (207, 781960), (226, 716220), (230, 703764), (276, 586470), (339, 477480), (345, 469176), (346, 467820), (360, 449627), (414, 390980), (452, 358110), (460, 351882), (519, 311880), (552, 293235), (565, 286488), (678, 238740), (690, 234588), (692, 233910), (828, 195490), (865, 187128), (904, 179055), (920, 175941), (1017, 159160), (1035, 156392), (1038, 155940), (1130, 143244), (1356, 119370), (1380, 117294), (1384, 116955), (1557, 103960), (1656, 97745), (1695, 95496), (1730, 93564), (2034, 79580), (2070, 78196), (2076, 77970), (2260, 71622), (2595, 62376), (2599, 62280), (2712, 59685), (2760, 58647), (3114, 51980), (3390, 47748), (3460, 46782), (3979, 40680), (4068, 39790), (4140, 39098), (4152, 38985), (4520, 35811), (5085, 31832), (5190, 31188), (5198, 31140), (6228, 25990), (6780, 23874), (6920, 23391), (7785, 20792), (7797, 20760), (7958, 20340), (8136, 19895), (8280, 19549), (10170, 15916), (10380, 15594), (10396, 15570), (11937, 13560), (12456, 12995)]