161812816

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 374038560

約数和(自身を除く): 212225744

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 53, 76, 83, 88, 106, 121, 152, 166, 176, 209, 212, 242, 304, 332, 418, 424, 484, 583, 664, 836, 848, 913, 968, 1007, 1166, 1328, 1577, 1672, 1826, 1936, 2014, 2299, 2332, 3154, 3344, 3652, 4028, 4399, 4598, 4664, 6308, 6413, 7304, 8056, 8798, 9196, 9328, 10043, 11077, 12616, 12826, 14608, 16112, 17347, 17596, 18392, 20086, 22154, 25232, 25652, 34694, 35192, 36784, 40172, 44308, 48389, 51304, 69388, 70384, 80344, 83581, 88616, 96778, 102608, 121847, 138776, 160688, 167162, 177232, 190817, 193556, 243694, 277552, 334324, 381634, 387112, 487388, 532279, 668648, 763268, 774224, 919391, 974776, 1064558, 1337296, 1526536, 1838782, 1949552, 2129116, 3053072, 3677564, 4258232, 7355128, 8516464, 10113301, 14710256, 20226602, 40453204, 80906408, 161812816]

約数ペア:

[(1, 161812816), (2, 80906408), (4, 40453204), (8, 20226602), (11, 14710256), (16, 10113301), (19, 8516464), (22, 7355128), (38, 4258232), (44, 3677564), (53, 3053072), (76, 2129116), (83, 1949552), (88, 1838782), (106, 1526536), (121, 1337296), (152, 1064558), (166, 974776), (176, 919391), (209, 774224), (212, 763268), (242, 668648), (304, 532279), (332, 487388), (418, 387112), (424, 381634), (484, 334324), (583, 277552), (664, 243694), (836, 193556), (848, 190817), (913, 177232), (968, 167162), (1007, 160688), (1166, 138776), (1328, 121847), (1577, 102608), (1672, 96778), (1826, 88616), (1936, 83581), (2014, 80344), (2299, 70384), (2332, 69388), (3154, 51304), (3344, 48389), (3652, 44308), (4028, 40172), (4399, 36784), (4598, 35192), (4664, 34694), (6308, 25652), (6413, 25232), (7304, 22154), (8056, 20086), (8798, 18392), (9196, 17596), (9328, 17347), (10043, 16112), (11077, 14608), (12616, 12826)]