71319456

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 223999776

約数和(自身を除く): 152680320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 443, 468, 516, 559, 624, 688, 774, 886, 936, 1032, 1118, 1248, 1329, 1376, 1548, 1677, 1772, 1872, 2064, 2236, 2658, 3096, 3354, 3544, 3744, 3987, 4128, 4472, 5031, 5316, 5759, 6192, 6708, 7088, 7974, 8944, 10062, 10632, 11518, 12384, 13416, 14176, 15948, 17277, 17888, 19049, 20124, 21264, 23036, 26832, 31896, 34554, 38098, 40248, 42528, 46072, 51831, 53664, 57147, 63792, 69108, 76196, 80496, 92144, 103662, 114294, 127584, 138216, 152392, 160992, 171441, 184288, 207324, 228588, 247637, 276432, 304784, 342882, 414648, 457176, 495274, 552864, 609568, 685764, 742911, 829296, 914352, 990548, 1371528, 1485822, 1658592, 1828704, 1981096, 2228733, 2743056, 2971644, 3962192, 4457466, 5486112, 5943288, 7924384, 8914932, 11886576, 17829864, 23773152, 35659728, 71319456]

約数ペア:

[(1, 71319456), (2, 35659728), (3, 23773152), (4, 17829864), (6, 11886576), (8, 8914932), (9, 7924384), (12, 5943288), (13, 5486112), (16, 4457466), (18, 3962192), (24, 2971644), (26, 2743056), (32, 2228733), (36, 1981096), (39, 1828704), (43, 1658592), (48, 1485822), (52, 1371528), (72, 990548), (78, 914352), (86, 829296), (96, 742911), (104, 685764), (117, 609568), (129, 552864), (144, 495274), (156, 457176), (172, 414648), (208, 342882), (234, 304784), (258, 276432), (288, 247637), (312, 228588), (344, 207324), (387, 184288), (416, 171441), (443, 160992), (468, 152392), (516, 138216), (559, 127584), (624, 114294), (688, 103662), (774, 92144), (886, 80496), (936, 76196), (1032, 69108), (1118, 63792), (1248, 57147), (1329, 53664), (1376, 51831), (1548, 46072), (1677, 42528), (1772, 40248), (1872, 38098), (2064, 34554), (2236, 31896), (2658, 26832), (3096, 23036), (3354, 21264), (3544, 20124), (3744, 19049), (3987, 17888), (4128, 17277), (4472, 15948), (5031, 14176), (5316, 13416), (5759, 12384), (6192, 11518), (6708, 10632), (7088, 10062), (7974, 8944)]