81197712

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 120

約数和(自身を含む): 246781080

約数和(自身を除く): 165583368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 153, 164, 204, 246, 272, 306, 328, 369, 408, 492, 612, 656, 697, 738, 809, 816, 984, 1224, 1394, 1476, 1618, 1968, 2091, 2427, 2448, 2788, 2952, 3236, 4182, 4854, 5576, 5904, 6273, 6472, 7281, 8364, 9708, 11152, 12546, 12944, 13753, 14562, 16728, 19416, 25092, 27506, 29124, 33169, 33456, 38832, 41259, 50184, 55012, 58248, 66338, 82518, 99507, 100368, 110024, 116496, 123777, 132676, 165036, 199014, 220048, 247554, 265352, 298521, 330072, 398028, 495108, 530704, 563873, 597042, 660144, 796056, 990216, 1127746, 1194084, 1592112, 1691619, 1980432, 2255492, 2388168, 3383238, 4510984, 4776336, 5074857, 6766476, 9021968, 10149714, 13532952, 20299428, 27065904, 40598856, 81197712]

約数ペア:

[(1, 81197712), (2, 40598856), (3, 27065904), (4, 20299428), (6, 13532952), (8, 10149714), (9, 9021968), (12, 6766476), (16, 5074857), (17, 4776336), (18, 4510984), (24, 3383238), (34, 2388168), (36, 2255492), (41, 1980432), (48, 1691619), (51, 1592112), (68, 1194084), (72, 1127746), (82, 990216), (102, 796056), (123, 660144), (136, 597042), (144, 563873), (153, 530704), (164, 495108), (204, 398028), (246, 330072), (272, 298521), (306, 265352), (328, 247554), (369, 220048), (408, 199014), (492, 165036), (612, 132676), (656, 123777), (697, 116496), (738, 110024), (809, 100368), (816, 99507), (984, 82518), (1224, 66338), (1394, 58248), (1476, 55012), (1618, 50184), (1968, 41259), (2091, 38832), (2427, 33456), (2448, 33169), (2788, 29124), (2952, 27506), (3236, 25092), (4182, 19416), (4854, 16728), (5576, 14562), (5904, 13753), (6273, 12944), (6472, 12546), (7281, 11152), (8364, 9708)]