161789328

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 467157600

約数和(自身を除く): 305368272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 137, 139, 144, 177, 236, 274, 278, 354, 411, 417, 472, 531, 548, 556, 708, 822, 834, 944, 1062, 1096, 1112, 1233, 1251, 1416, 1644, 1668, 2124, 2192, 2224, 2466, 2502, 2832, 3288, 3336, 4248, 4932, 5004, 6576, 6672, 8083, 8201, 8496, 9864, 10008, 16166, 16402, 19043, 19728, 20016, 24249, 24603, 32332, 32804, 38086, 48498, 49206, 57129, 64664, 65608, 72747, 73809, 76172, 96996, 98412, 114258, 129328, 131216, 145494, 147618, 152344, 171387, 193992, 196824, 228516, 290988, 295236, 304688, 342774, 387984, 393648, 457032, 581976, 590472, 685548, 914064, 1123537, 1163952, 1180944, 1371096, 2247074, 2742192, 3370611, 4494148, 6741222, 8988296, 10111833, 13482444, 17976592, 20223666, 26964888, 40447332, 53929776, 80894664, 161789328]

約数ペア:

[(1, 161789328), (2, 80894664), (3, 53929776), (4, 40447332), (6, 26964888), (8, 20223666), (9, 17976592), (12, 13482444), (16, 10111833), (18, 8988296), (24, 6741222), (36, 4494148), (48, 3370611), (59, 2742192), (72, 2247074), (118, 1371096), (137, 1180944), (139, 1163952), (144, 1123537), (177, 914064), (236, 685548), (274, 590472), (278, 581976), (354, 457032), (411, 393648), (417, 387984), (472, 342774), (531, 304688), (548, 295236), (556, 290988), (708, 228516), (822, 196824), (834, 193992), (944, 171387), (1062, 152344), (1096, 147618), (1112, 145494), (1233, 131216), (1251, 129328), (1416, 114258), (1644, 98412), (1668, 96996), (2124, 76172), (2192, 73809), (2224, 72747), (2466, 65608), (2502, 64664), (2832, 57129), (3288, 49206), (3336, 48498), (4248, 38086), (4932, 32804), (5004, 32332), (6576, 24603), (6672, 24249), (8083, 20016), (8201, 19728), (8496, 19043), (9864, 16402), (10008, 16166)]