20157113820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:740

約数の個数: 192

約数和(自身を含む): 58874167296

約数和(自身を除く): 38717053476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 151, 157, 185, 222, 302, 314, 370, 383, 444, 453, 471, 555, 604, 628, 740, 755, 766, 785, 906, 942, 1110, 1149, 1510, 1532, 1570, 1812, 1884, 1915, 2220, 2265, 2298, 2355, 3020, 3140, 3830, 4530, 4596, 4710, 5587, 5745, 5809, 7660, 9060, 9420, 11174, 11490, 11618, 14171, 16761, 17427, 22348, 22980, 23236, 23707, 27935, 28342, 29045, 33522, 34854, 42513, 47414, 55870, 56684, 57833, 58090, 60131, 67044, 69708, 70855, 71121, 83805, 85026, 87135, 94828, 111740, 115666, 116180, 118535, 120262, 141710, 142242, 167610, 170052, 173499, 174270, 180393, 212565, 231332, 237070, 240524, 283420, 284484, 289165, 300655, 335220, 346998, 348540, 355605, 360786, 425130, 474140, 578330, 601310, 693996, 711210, 721572, 850260, 867495, 877159, 901965, 1156660, 1202620, 1422420, 1734990, 1754318, 1803930, 2139821, 2224847, 2631477, 3469980, 3508636, 3607860, 4279642, 4385795, 4449694, 5262954, 6419463, 6674541, 8559284, 8771590, 8899388, 9079781, 10525908, 10699105, 11124235, 12838926, 13157385, 13349082, 17543180, 18159562, 21398210, 22248470, 25677852, 26314770, 26698164, 27239343, 32097315, 33372705, 36319124, 42796420, 44496940, 45398905, 52629540, 54478686, 64194630, 66745410, 90797810, 108957372, 128389260, 133490820, 136196715, 181595620, 272393430, 335951897, 544786860, 671903794, 1007855691, 1343807588, 1679759485, 2015711382, 3359518970, 4031422764, 5039278455, 6719037940, 10078556910, 20157113820]

約数ペア:

[(1, 20157113820), (2, 10078556910), (3, 6719037940), (4, 5039278455), (5, 4031422764), (6, 3359518970), (10, 2015711382), (12, 1679759485), (15, 1343807588), (20, 1007855691), (30, 671903794), (37, 544786860), (60, 335951897), (74, 272393430), (111, 181595620), (148, 136196715), (151, 133490820), (157, 128389260), (185, 108957372), (222, 90797810), (302, 66745410), (314, 64194630), (370, 54478686), (383, 52629540), (444, 45398905), (453, 44496940), (471, 42796420), (555, 36319124), (604, 33372705), (628, 32097315), (740, 27239343), (755, 26698164), (766, 26314770), (785, 25677852), (906, 22248470), (942, 21398210), (1110, 18159562), (1149, 17543180), (1510, 13349082), (1532, 13157385), (1570, 12838926), (1812, 11124235), (1884, 10699105), (1915, 10525908), (2220, 9079781), (2265, 8899388), (2298, 8771590), (2355, 8559284), (3020, 6674541), (3140, 6419463), (3830, 5262954), (4530, 4449694), (4596, 4385795), (4710, 4279642), (5587, 3607860), (5745, 3508636), (5809, 3469980), (7660, 2631477), (9060, 2224847), (9420, 2139821), (11174, 1803930), (11490, 1754318), (11618, 1734990), (14171, 1422420), (16761, 1202620), (17427, 1156660), (22348, 901965), (22980, 877159), (23236, 867495), (23707, 850260), (27935, 721572), (28342, 711210), (29045, 693996), (33522, 601310), (34854, 578330), (42513, 474140), (47414, 425130), (55870, 360786), (56684, 355605), (57833, 348540), (58090, 346998), (60131, 335220), (67044, 300655), (69708, 289165), (70855, 284484), (71121, 283420), (83805, 240524), (85026, 237070), (87135, 231332), (94828, 212565), (111740, 180393), (115666, 174270), (116180, 173499), (118535, 170052), (120262, 167610), (141710, 142242)]