81531432

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 235029600

約数和(自身を除く): 153498168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 107, 114, 152, 171, 214, 228, 321, 342, 428, 456, 557, 642, 684, 856, 963, 1114, 1284, 1368, 1671, 1926, 2033, 2228, 2568, 3342, 3852, 4066, 4456, 5013, 6099, 6684, 7704, 8132, 10026, 10583, 12198, 13368, 16264, 18297, 20052, 21166, 24396, 31749, 36594, 40104, 42332, 48792, 59599, 63498, 73188, 84664, 95247, 119198, 126996, 146376, 178797, 190494, 238396, 253992, 357594, 380988, 476792, 536391, 715188, 761976, 1072782, 1132381, 1430376, 2145564, 2264762, 3397143, 4291128, 4529524, 6794286, 9059048, 10191429, 13588572, 20382858, 27177144, 40765716, 81531432]

約数ペア:

[(1, 81531432), (2, 40765716), (3, 27177144), (4, 20382858), (6, 13588572), (8, 10191429), (9, 9059048), (12, 6794286), (18, 4529524), (19, 4291128), (24, 3397143), (36, 2264762), (38, 2145564), (57, 1430376), (72, 1132381), (76, 1072782), (107, 761976), (114, 715188), (152, 536391), (171, 476792), (214, 380988), (228, 357594), (321, 253992), (342, 238396), (428, 190494), (456, 178797), (557, 146376), (642, 126996), (684, 119198), (856, 95247), (963, 84664), (1114, 73188), (1284, 63498), (1368, 59599), (1671, 48792), (1926, 42332), (2033, 40104), (2228, 36594), (2568, 31749), (3342, 24396), (3852, 21166), (4066, 20052), (4456, 18297), (5013, 16264), (6099, 13368), (6684, 12198), (7704, 10583), (8132, 10026)]