81269568

素因数分解:

$2^6\times 3^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 140

約数和(自身を含む): 245810532

約数和(自身を除く): 164540964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 81, 96, 108, 122, 144, 162, 183, 192, 216, 244, 257, 288, 324, 366, 432, 488, 514, 549, 576, 648, 732, 771, 864, 976, 1028, 1098, 1296, 1464, 1542, 1647, 1728, 1952, 2056, 2196, 2313, 2592, 2928, 3084, 3294, 3904, 4112, 4392, 4626, 4941, 5184, 5856, 6168, 6588, 6939, 8224, 8784, 9252, 9882, 11712, 12336, 13176, 13878, 15677, 16448, 17568, 18504, 19764, 20817, 24672, 26352, 27756, 31354, 35136, 37008, 39528, 41634, 47031, 49344, 52704, 55512, 62708, 74016, 79056, 83268, 94062, 105408, 111024, 125416, 141093, 148032, 158112, 166536, 188124, 222048, 250832, 282186, 316224, 333072, 376248, 423279, 444096, 501664, 564372, 666144, 752496, 846558, 1003328, 1128744, 1269837, 1332288, 1504992, 1693116, 2257488, 2539674, 3009984, 3386232, 4514976, 5079348, 6772464, 9029952, 10158696, 13544928, 20317392, 27089856, 40634784, 81269568]

約数ペア:

[(1, 81269568), (2, 40634784), (3, 27089856), (4, 20317392), (6, 13544928), (8, 10158696), (9, 9029952), (12, 6772464), (16, 5079348), (18, 4514976), (24, 3386232), (27, 3009984), (32, 2539674), (36, 2257488), (48, 1693116), (54, 1504992), (61, 1332288), (64, 1269837), (72, 1128744), (81, 1003328), (96, 846558), (108, 752496), (122, 666144), (144, 564372), (162, 501664), (183, 444096), (192, 423279), (216, 376248), (244, 333072), (257, 316224), (288, 282186), (324, 250832), (366, 222048), (432, 188124), (488, 166536), (514, 158112), (549, 148032), (576, 141093), (648, 125416), (732, 111024), (771, 105408), (864, 94062), (976, 83268), (1028, 79056), (1098, 74016), (1296, 62708), (1464, 55512), (1542, 52704), (1647, 49344), (1728, 47031), (1952, 41634), (2056, 39528), (2196, 37008), (2313, 35136), (2592, 31354), (2928, 27756), (3084, 26352), (3294, 24672), (3904, 20817), (4112, 19764), (4392, 18504), (4626, 17568), (4941, 16448), (5184, 15677), (5856, 13878), (6168, 13176), (6588, 12336), (6939, 11712), (8224, 9882), (8784, 9252)]