161381088

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^3\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 505984752

約数和(自身を除く): 344603664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 421, 484, 528, 726, 792, 842, 968, 1056, 1089, 1263, 1331, 1452, 1584, 1684, 1936, 2178, 2526, 2662, 2904, 3168, 3368, 3789, 3872, 3993, 4356, 4631, 5052, 5324, 5808, 6736, 7578, 7986, 8712, 9262, 10104, 10648, 11616, 11979, 13472, 13893, 15156, 15972, 17424, 18524, 20208, 21296, 23958, 27786, 30312, 31944, 34848, 37048, 40416, 41679, 42592, 47916, 50941, 55572, 60624, 63888, 74096, 83358, 95832, 101882, 111144, 121248, 127776, 148192, 152823, 166716, 191664, 203764, 222288, 305646, 333432, 383328, 407528, 444576, 458469, 560351, 611292, 666864, 815056, 916938, 1120702, 1222584, 1333728, 1630112, 1681053, 1833876, 2241404, 2445168, 3362106, 3667752, 4482808, 4890336, 5043159, 6724212, 7335504, 8965616, 10086318, 13448424, 14671008, 17931232, 20172636, 26896848, 40345272, 53793696, 80690544, 161381088]

約数ペア:

[(1, 161381088), (2, 80690544), (3, 53793696), (4, 40345272), (6, 26896848), (8, 20172636), (9, 17931232), (11, 14671008), (12, 13448424), (16, 10086318), (18, 8965616), (22, 7335504), (24, 6724212), (32, 5043159), (33, 4890336), (36, 4482808), (44, 3667752), (48, 3362106), (66, 2445168), (72, 2241404), (88, 1833876), (96, 1681053), (99, 1630112), (121, 1333728), (132, 1222584), (144, 1120702), (176, 916938), (198, 815056), (242, 666864), (264, 611292), (288, 560351), (352, 458469), (363, 444576), (396, 407528), (421, 383328), (484, 333432), (528, 305646), (726, 222288), (792, 203764), (842, 191664), (968, 166716), (1056, 152823), (1089, 148192), (1263, 127776), (1331, 121248), (1452, 111144), (1584, 101882), (1684, 95832), (1936, 83358), (2178, 74096), (2526, 63888), (2662, 60624), (2904, 55572), (3168, 50941), (3368, 47916), (3789, 42592), (3872, 41679), (3993, 40416), (4356, 37048), (4631, 34848), (5052, 31944), (5324, 30312), (5808, 27786), (6736, 23958), (7578, 21296), (7986, 20208), (8712, 18524), (9262, 17424), (10104, 15972), (10648, 15156), (11616, 13893), (11979, 13472)]