81851688

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 239760000

約数和(自身を除く): 157908312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 73, 87, 108, 116, 146, 174, 179, 216, 219, 232, 261, 292, 348, 358, 438, 522, 537, 584, 657, 696, 716, 783, 876, 1044, 1074, 1314, 1432, 1566, 1611, 1752, 1971, 2088, 2117, 2148, 2628, 3132, 3222, 3942, 4234, 4296, 4833, 5191, 5256, 6264, 6351, 6444, 7884, 8468, 9666, 10382, 12702, 12888, 13067, 15573, 15768, 16936, 19053, 19332, 20764, 25404, 26134, 31146, 38106, 38664, 39201, 41528, 46719, 50808, 52268, 57159, 62292, 76212, 78402, 93438, 104536, 114318, 117603, 124584, 140157, 152424, 156804, 186876, 228636, 235206, 280314, 313608, 352809, 373752, 378943, 457272, 470412, 560628, 705618, 757886, 940824, 1121256, 1136829, 1411236, 1515772, 2273658, 2822472, 3031544, 3410487, 4547316, 6820974, 9094632, 10231461, 13641948, 20462922, 27283896, 40925844, 81851688]

約数ペア:

[(1, 81851688), (2, 40925844), (3, 27283896), (4, 20462922), (6, 13641948), (8, 10231461), (9, 9094632), (12, 6820974), (18, 4547316), (24, 3410487), (27, 3031544), (29, 2822472), (36, 2273658), (54, 1515772), (58, 1411236), (72, 1136829), (73, 1121256), (87, 940824), (108, 757886), (116, 705618), (146, 560628), (174, 470412), (179, 457272), (216, 378943), (219, 373752), (232, 352809), (261, 313608), (292, 280314), (348, 235206), (358, 228636), (438, 186876), (522, 156804), (537, 152424), (584, 140157), (657, 124584), (696, 117603), (716, 114318), (783, 104536), (876, 93438), (1044, 78402), (1074, 76212), (1314, 62292), (1432, 57159), (1566, 52268), (1611, 50808), (1752, 46719), (1971, 41528), (2088, 39201), (2117, 38664), (2148, 38106), (2628, 31146), (3132, 26134), (3222, 25404), (3942, 20764), (4234, 19332), (4296, 19053), (4833, 16936), (5191, 15768), (5256, 15573), (6264, 13067), (6351, 12888), (6444, 12702), (7884, 10382), (8468, 9666)]