1331192820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:658

約数の個数: 192

約数和(自身を含む): 4191264000

約数和(自身を除く): 2860071180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 149, 170, 190, 204, 228, 255, 285, 298, 323, 340, 380, 447, 461, 510, 570, 596, 646, 745, 894, 922, 969, 1020, 1140, 1292, 1383, 1490, 1615, 1788, 1844, 1938, 2235, 2305, 2533, 2766, 2831, 2980, 3230, 3876, 4470, 4610, 4845, 5066, 5532, 5662, 6460, 6915, 7599, 7837, 8493, 8759, 8940, 9220, 9690, 10132, 11324, 12665, 13830, 14155, 15198, 15674, 16986, 17518, 19380, 23511, 25330, 26277, 27660, 28310, 30396, 31348, 33972, 35036, 37995, 39185, 42465, 43795, 47022, 48127, 50660, 52554, 56620, 68689, 75990, 78370, 84930, 87590, 94044, 96254, 105108, 117555, 131385, 137378, 144381, 148903, 151980, 156740, 169860, 175180, 192508, 206067, 235110, 240635, 262770, 274756, 288762, 297806, 343445, 412134, 446709, 470220, 481270, 525540, 577524, 595612, 686890, 721905, 744515, 824268, 893418, 962540, 1030335, 1167713, 1305091, 1373780, 1443810, 1489030, 1786836, 2060670, 2233545, 2335426, 2610182, 2887620, 2978060, 3503139, 3915273, 4121340, 4467090, 4670852, 5220364, 5838565, 6525455, 7006278, 7830546, 8934180, 11677130, 13050910, 14012556, 15661092, 17515695, 19576365, 22186547, 23354260, 26101820, 35031390, 39152730, 44373094, 66559641, 70062780, 78305460, 88746188, 110932735, 133119282, 221865470, 266238564, 332798205, 443730940, 665596410, 1331192820]

約数ペア:

[(1, 1331192820), (2, 665596410), (3, 443730940), (4, 332798205), (5, 266238564), (6, 221865470), (10, 133119282), (12, 110932735), (15, 88746188), (17, 78305460), (19, 70062780), (20, 66559641), (30, 44373094), (34, 39152730), (38, 35031390), (51, 26101820), (57, 23354260), (60, 22186547), (68, 19576365), (76, 17515695), (85, 15661092), (95, 14012556), (102, 13050910), (114, 11677130), (149, 8934180), (170, 7830546), (190, 7006278), (204, 6525455), (228, 5838565), (255, 5220364), (285, 4670852), (298, 4467090), (323, 4121340), (340, 3915273), (380, 3503139), (447, 2978060), (461, 2887620), (510, 2610182), (570, 2335426), (596, 2233545), (646, 2060670), (745, 1786836), (894, 1489030), (922, 1443810), (969, 1373780), (1020, 1305091), (1140, 1167713), (1292, 1030335), (1383, 962540), (1490, 893418), (1615, 824268), (1788, 744515), (1844, 721905), (1938, 686890), (2235, 595612), (2305, 577524), (2533, 525540), (2766, 481270), (2831, 470220), (2980, 446709), (3230, 412134), (3876, 343445), (4470, 297806), (4610, 288762), (4845, 274756), (5066, 262770), (5532, 240635), (5662, 235110), (6460, 206067), (6915, 192508), (7599, 175180), (7837, 169860), (8493, 156740), (8759, 151980), (8940, 148903), (9220, 144381), (9690, 137378), (10132, 131385), (11324, 117555), (12665, 105108), (13830, 96254), (14155, 94044), (15198, 87590), (15674, 84930), (16986, 78370), (17518, 75990), (19380, 68689), (23511, 56620), (25330, 52554), (26277, 50660), (27660, 48127), (28310, 47022), (30396, 43795), (31348, 42465), (33972, 39185), (35036, 37995)]