128728488

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 407773440

約数和(自身を除く): 279044952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 47, 49, 51, 56, 68, 84, 94, 98, 102, 119, 136, 137, 141, 147, 168, 188, 196, 204, 238, 274, 282, 294, 329, 357, 376, 392, 408, 411, 476, 548, 564, 588, 658, 714, 799, 822, 833, 952, 959, 987, 1096, 1128, 1176, 1316, 1428, 1598, 1644, 1666, 1918, 1974, 2303, 2329, 2397, 2499, 2632, 2856, 2877, 3196, 3288, 3332, 3836, 3948, 4606, 4658, 4794, 4998, 5593, 5754, 6392, 6439, 6664, 6713, 6909, 6987, 7672, 7896, 9212, 9316, 9588, 9996, 11186, 11508, 12878, 13426, 13818, 13974, 16303, 16779, 18424, 18632, 19176, 19317, 19992, 20139, 22372, 23016, 25756, 26852, 27636, 27948, 32606, 33558, 38634, 39151, 40278, 44744, 45073, 48909, 51512, 53704, 55272, 55896, 65212, 67116, 77268, 78302, 80556, 90146, 97818, 109463, 114121, 117453, 130424, 134232, 135219, 154536, 156604, 161112, 180292, 195636, 218926, 228242, 234906, 270438, 313208, 315511, 328389, 342363, 360584, 391272, 437852, 456484, 469812, 540876, 631022, 656778, 684726, 766241, 875704, 912968, 939624, 946533, 1081752, 1262044, 1313556, 1369452, 1532482, 1893066, 2298723, 2524088, 2627112, 2738904, 3064964, 3786132, 4597446, 5363687, 6129928, 7572264, 9194892, 10727374, 16091061, 18389784, 21454748, 32182122, 42909496, 64364244, 128728488]

約数ペア:

[(1, 128728488), (2, 64364244), (3, 42909496), (4, 32182122), (6, 21454748), (7, 18389784), (8, 16091061), (12, 10727374), (14, 9194892), (17, 7572264), (21, 6129928), (24, 5363687), (28, 4597446), (34, 3786132), (42, 3064964), (47, 2738904), (49, 2627112), (51, 2524088), (56, 2298723), (68, 1893066), (84, 1532482), (94, 1369452), (98, 1313556), (102, 1262044), (119, 1081752), (136, 946533), (137, 939624), (141, 912968), (147, 875704), (168, 766241), (188, 684726), (196, 656778), (204, 631022), (238, 540876), (274, 469812), (282, 456484), (294, 437852), (329, 391272), (357, 360584), (376, 342363), (392, 328389), (408, 315511), (411, 313208), (476, 270438), (548, 234906), (564, 228242), (588, 218926), (658, 195636), (714, 180292), (799, 161112), (822, 156604), (833, 154536), (952, 135219), (959, 134232), (987, 130424), (1096, 117453), (1128, 114121), (1176, 109463), (1316, 97818), (1428, 90146), (1598, 80556), (1644, 78302), (1666, 77268), (1918, 67116), (1974, 65212), (2303, 55896), (2329, 55272), (2397, 53704), (2499, 51512), (2632, 48909), (2856, 45073), (2877, 44744), (3196, 40278), (3288, 39151), (3332, 38634), (3836, 33558), (3948, 32606), (4606, 27948), (4658, 27636), (4794, 26852), (4998, 25756), (5593, 23016), (5754, 22372), (6392, 20139), (6439, 19992), (6664, 19317), (6713, 19176), (6909, 18632), (6987, 18424), (7672, 16779), (7896, 16303), (9212, 13974), (9316, 13818), (9588, 13426), (9996, 12878), (11186, 11508)]