81420168

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 146675832

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 47, 57, 58, 76, 87, 94, 114, 116, 131, 141, 152, 174, 188, 228, 232, 262, 282, 348, 376, 393, 456, 524, 551, 564, 696, 786, 893, 1048, 1102, 1128, 1363, 1572, 1653, 1786, 2204, 2489, 2679, 2726, 3144, 3306, 3572, 3799, 4089, 4408, 4978, 5358, 5452, 6157, 6612, 7144, 7467, 7598, 8178, 9956, 10716, 10904, 11397, 12314, 13224, 14934, 15196, 16356, 18471, 19912, 21432, 22794, 24628, 25897, 29868, 30392, 32712, 36942, 45588, 49256, 51794, 59736, 72181, 73884, 77691, 91176, 103588, 116983, 144362, 147768, 155382, 178553, 207176, 216543, 233966, 288724, 310764, 350949, 357106, 433086, 467932, 535659, 577448, 621528, 701898, 714212, 866172, 935864, 1071318, 1403796, 1428424, 1732344, 2142636, 2807592, 3392507, 4285272, 6785014, 10177521, 13570028, 20355042, 27140056, 40710084, 81420168]

約数ペア:

[(1, 81420168), (2, 40710084), (3, 27140056), (4, 20355042), (6, 13570028), (8, 10177521), (12, 6785014), (19, 4285272), (24, 3392507), (29, 2807592), (38, 2142636), (47, 1732344), (57, 1428424), (58, 1403796), (76, 1071318), (87, 935864), (94, 866172), (114, 714212), (116, 701898), (131, 621528), (141, 577448), (152, 535659), (174, 467932), (188, 433086), (228, 357106), (232, 350949), (262, 310764), (282, 288724), (348, 233966), (376, 216543), (393, 207176), (456, 178553), (524, 155382), (551, 147768), (564, 144362), (696, 116983), (786, 103588), (893, 91176), (1048, 77691), (1102, 73884), (1128, 72181), (1363, 59736), (1572, 51794), (1653, 49256), (1786, 45588), (2204, 36942), (2489, 32712), (2679, 30392), (2726, 29868), (3144, 25897), (3306, 24628), (3572, 22794), (3799, 21432), (4089, 19912), (4408, 18471), (4978, 16356), (5358, 15196), (5452, 14934), (6157, 13224), (6612, 12314), (7144, 11397), (7467, 10904), (7598, 10716), (8178, 9956)]