131781780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 434179200

約数和(自身を除く): 302397420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 199, 234, 260, 283, 390, 398, 468, 566, 585, 597, 780, 796, 849, 995, 1132, 1170, 1194, 1415, 1698, 1791, 1990, 2340, 2388, 2547, 2587, 2830, 2985, 3396, 3582, 3679, 3980, 4245, 5094, 5174, 5660, 5970, 7164, 7358, 7761, 8490, 8955, 10188, 10348, 11037, 11940, 12735, 12935, 14716, 15522, 16980, 17910, 18395, 22074, 23283, 25470, 25870, 31044, 33111, 35820, 36790, 38805, 44148, 46566, 50940, 51740, 55185, 56317, 66222, 73580, 77610, 93132, 110370, 112634, 116415, 132444, 155220, 165555, 168951, 220740, 225268, 232830, 281585, 331110, 337902, 465660, 506853, 563170, 662220, 675804, 732121, 844755, 1013706, 1126340, 1464242, 1689510, 2027412, 2196363, 2534265, 2928484, 3379020, 3660605, 4392726, 5068530, 6589089, 7321210, 8785452, 10137060, 10981815, 13178178, 14642420, 21963630, 26356356, 32945445, 43927260, 65890890, 131781780]

約数ペア:

[(1, 131781780), (2, 65890890), (3, 43927260), (4, 32945445), (5, 26356356), (6, 21963630), (9, 14642420), (10, 13178178), (12, 10981815), (13, 10137060), (15, 8785452), (18, 7321210), (20, 6589089), (26, 5068530), (30, 4392726), (36, 3660605), (39, 3379020), (45, 2928484), (52, 2534265), (60, 2196363), (65, 2027412), (78, 1689510), (90, 1464242), (117, 1126340), (130, 1013706), (156, 844755), (180, 732121), (195, 675804), (199, 662220), (234, 563170), (260, 506853), (283, 465660), (390, 337902), (398, 331110), (468, 281585), (566, 232830), (585, 225268), (597, 220740), (780, 168951), (796, 165555), (849, 155220), (995, 132444), (1132, 116415), (1170, 112634), (1194, 110370), (1415, 93132), (1698, 77610), (1791, 73580), (1990, 66222), (2340, 56317), (2388, 55185), (2547, 51740), (2587, 50940), (2830, 46566), (2985, 44148), (3396, 38805), (3582, 36790), (3679, 35820), (3980, 33111), (4245, 31044), (5094, 25870), (5174, 25470), (5660, 23283), (5970, 22074), (7164, 18395), (7358, 17910), (7761, 16980), (8490, 15522), (8955, 14716), (10188, 12935), (10348, 12735), (11037, 11940)]