81501264

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 180

約数和(自身を含む): 262841436

約数和(自身を除く): 181340172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 169, 197, 204, 208, 221, 234, 272, 306, 312, 338, 394, 408, 442, 468, 507, 591, 612, 624, 663, 676, 788, 816, 884, 936, 1014, 1182, 1224, 1326, 1352, 1521, 1576, 1768, 1773, 1872, 1989, 2028, 2364, 2448, 2561, 2652, 2704, 2873, 3042, 3152, 3349, 3536, 3546, 3978, 4056, 4728, 5122, 5304, 5746, 6084, 6698, 7092, 7683, 7956, 8112, 8619, 9456, 10047, 10244, 10608, 11492, 12168, 13396, 14184, 15366, 15912, 17238, 20094, 20488, 22984, 23049, 24336, 25857, 26792, 28368, 30141, 30732, 31824, 33293, 34476, 40188, 40976, 43537, 45968, 46098, 51714, 53584, 60282, 61464, 66586, 68952, 80376, 87074, 92196, 99879, 103428, 120564, 122928, 130611, 133172, 137904, 160752, 174148, 184392, 199758, 206856, 241128, 261222, 266344, 299637, 348296, 368784, 391833, 399516, 413712, 482256, 522444, 532688, 565981, 599274, 696592, 783666, 799032, 1044888, 1131962, 1198548, 1567332, 1598064, 1697943, 2089776, 2263924, 2397096, 3134664, 3395886, 4527848, 4794192, 5093829, 6269328, 6791772, 9055696, 10187658, 13583544, 20375316, 27167088, 40750632, 81501264]

約数ペア:

[(1, 81501264), (2, 40750632), (3, 27167088), (4, 20375316), (6, 13583544), (8, 10187658), (9, 9055696), (12, 6791772), (13, 6269328), (16, 5093829), (17, 4794192), (18, 4527848), (24, 3395886), (26, 3134664), (34, 2397096), (36, 2263924), (39, 2089776), (48, 1697943), (51, 1598064), (52, 1567332), (68, 1198548), (72, 1131962), (78, 1044888), (102, 799032), (104, 783666), (117, 696592), (136, 599274), (144, 565981), (153, 532688), (156, 522444), (169, 482256), (197, 413712), (204, 399516), (208, 391833), (221, 368784), (234, 348296), (272, 299637), (306, 266344), (312, 261222), (338, 241128), (394, 206856), (408, 199758), (442, 184392), (468, 174148), (507, 160752), (591, 137904), (612, 133172), (624, 130611), (663, 122928), (676, 120564), (788, 103428), (816, 99879), (884, 92196), (936, 87074), (1014, 80376), (1182, 68952), (1224, 66586), (1326, 61464), (1352, 60282), (1521, 53584), (1576, 51714), (1768, 46098), (1773, 45968), (1872, 43537), (1989, 40976), (2028, 40188), (2364, 34476), (2448, 33293), (2561, 31824), (2652, 30732), (2704, 30141), (2873, 28368), (3042, 26792), (3152, 25857), (3349, 24336), (3536, 23049), (3546, 22984), (3978, 20488), (4056, 20094), (4728, 17238), (5122, 15912), (5304, 15366), (5746, 14184), (6084, 13396), (6698, 12168), (7092, 11492), (7683, 10608), (7956, 10244), (8112, 10047), (8619, 9456)]