81259416

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 260198400

約数和(自身を除く): 178938984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 223, 241, 252, 378, 446, 482, 504, 669, 723, 756, 892, 964, 1338, 1446, 1512, 1561, 1687, 1784, 1928, 2007, 2169, 2676, 2892, 3122, 3374, 4014, 4338, 4683, 5061, 5352, 5784, 6021, 6244, 6507, 6748, 8028, 8676, 9366, 10122, 12042, 12488, 13014, 13496, 14049, 15183, 16056, 17352, 18732, 20244, 24084, 26028, 28098, 30366, 37464, 40488, 42147, 45549, 48168, 52056, 53743, 56196, 60732, 84294, 91098, 107486, 112392, 121464, 161229, 168588, 182196, 214972, 322458, 337176, 364392, 376201, 429944, 483687, 644916, 752402, 967374, 1128603, 1289832, 1451061, 1504804, 1934748, 2257206, 2902122, 3009608, 3385809, 3869496, 4514412, 5804244, 6771618, 9028824, 10157427, 11608488, 13543236, 20314854, 27086472, 40629708, 81259416]

約数ペア:

[(1, 81259416), (2, 40629708), (3, 27086472), (4, 20314854), (6, 13543236), (7, 11608488), (8, 10157427), (9, 9028824), (12, 6771618), (14, 5804244), (18, 4514412), (21, 3869496), (24, 3385809), (27, 3009608), (28, 2902122), (36, 2257206), (42, 1934748), (54, 1504804), (56, 1451061), (63, 1289832), (72, 1128603), (84, 967374), (108, 752402), (126, 644916), (168, 483687), (189, 429944), (216, 376201), (223, 364392), (241, 337176), (252, 322458), (378, 214972), (446, 182196), (482, 168588), (504, 161229), (669, 121464), (723, 112392), (756, 107486), (892, 91098), (964, 84294), (1338, 60732), (1446, 56196), (1512, 53743), (1561, 52056), (1687, 48168), (1784, 45549), (1928, 42147), (2007, 40488), (2169, 37464), (2676, 30366), (2892, 28098), (3122, 26028), (3374, 24084), (4014, 20244), (4338, 18732), (4683, 17352), (5061, 16056), (5352, 15183), (5784, 14049), (6021, 13496), (6244, 13014), (6507, 12488), (6748, 12042), (8028, 10122), (8676, 9366)]