81437328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 262536768

約数和(自身を除く): 181099440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 173, 252, 336, 346, 467, 504, 519, 692, 934, 1008, 1038, 1211, 1384, 1401, 1557, 1868, 2076, 2422, 2768, 2802, 3114, 3269, 3633, 3736, 4152, 4203, 4844, 5604, 6228, 6538, 7266, 7472, 8304, 8406, 9688, 9807, 10899, 11208, 12456, 13076, 14532, 16812, 19376, 19614, 21798, 22416, 24912, 26152, 29064, 29421, 33624, 39228, 43596, 52304, 58128, 58842, 67248, 78456, 80791, 87192, 117684, 156912, 161582, 174384, 235368, 242373, 323164, 470736, 484746, 565537, 646328, 727119, 969492, 1131074, 1292656, 1454238, 1696611, 1938984, 2262148, 2908476, 3393222, 3877968, 4524296, 5089833, 5816952, 6786444, 9048592, 10179666, 11633904, 13572888, 20359332, 27145776, 40718664, 81437328]

約数ペア:

[(1, 81437328), (2, 40718664), (3, 27145776), (4, 20359332), (6, 13572888), (7, 11633904), (8, 10179666), (9, 9048592), (12, 6786444), (14, 5816952), (16, 5089833), (18, 4524296), (21, 3877968), (24, 3393222), (28, 2908476), (36, 2262148), (42, 1938984), (48, 1696611), (56, 1454238), (63, 1292656), (72, 1131074), (84, 969492), (112, 727119), (126, 646328), (144, 565537), (168, 484746), (173, 470736), (252, 323164), (336, 242373), (346, 235368), (467, 174384), (504, 161582), (519, 156912), (692, 117684), (934, 87192), (1008, 80791), (1038, 78456), (1211, 67248), (1384, 58842), (1401, 58128), (1557, 52304), (1868, 43596), (2076, 39228), (2422, 33624), (2768, 29421), (2802, 29064), (3114, 26152), (3269, 24912), (3633, 22416), (3736, 21798), (4152, 19614), (4203, 19376), (4844, 16812), (5604, 14532), (6228, 13076), (6538, 12456), (7266, 11208), (7472, 10899), (8304, 9807), (8406, 9688)]