161508512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 387120384

約数和(自身を除く): 225611872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 41, 44, 62, 76, 82, 88, 124, 152, 164, 176, 209, 248, 304, 328, 341, 352, 361, 418, 451, 496, 589, 608, 656, 682, 722, 779, 836, 902, 992, 1178, 1271, 1312, 1364, 1444, 1558, 1672, 1804, 2356, 2542, 2728, 2888, 3116, 3344, 3608, 3971, 4712, 5084, 5456, 5776, 6232, 6479, 6688, 7216, 7942, 8569, 9424, 10168, 10912, 11191, 11552, 12464, 12958, 13981, 14432, 14801, 15884, 17138, 18848, 20336, 22382, 24149, 24928, 25916, 27962, 29602, 31768, 34276, 40672, 44764, 48298, 51832, 55924, 59204, 63536, 68552, 89528, 96596, 103664, 111848, 118408, 123101, 127072, 137104, 162811, 179056, 193192, 207328, 223696, 236816, 246202, 265639, 274208, 325622, 358112, 386384, 447392, 458831, 473632, 492404, 531278, 651244, 772768, 917662, 984808, 1062556, 1302488, 1835324, 1969616, 2125112, 2604976, 3670648, 3939232, 4250224, 5047141, 5209952, 7341296, 8500448, 10094282, 14682592, 20188564, 40377128, 80754256, 161508512]

約数ペア:

[(1, 161508512), (2, 80754256), (4, 40377128), (8, 20188564), (11, 14682592), (16, 10094282), (19, 8500448), (22, 7341296), (31, 5209952), (32, 5047141), (38, 4250224), (41, 3939232), (44, 3670648), (62, 2604976), (76, 2125112), (82, 1969616), (88, 1835324), (124, 1302488), (152, 1062556), (164, 984808), (176, 917662), (209, 772768), (248, 651244), (304, 531278), (328, 492404), (341, 473632), (352, 458831), (361, 447392), (418, 386384), (451, 358112), (496, 325622), (589, 274208), (608, 265639), (656, 246202), (682, 236816), (722, 223696), (779, 207328), (836, 193192), (902, 179056), (992, 162811), (1178, 137104), (1271, 127072), (1312, 123101), (1364, 118408), (1444, 111848), (1558, 103664), (1672, 96596), (1804, 89528), (2356, 68552), (2542, 63536), (2728, 59204), (2888, 55924), (3116, 51832), (3344, 48298), (3608, 44764), (3971, 40672), (4712, 34276), (5084, 31768), (5456, 29602), (5776, 27962), (6232, 25916), (6479, 24928), (6688, 24149), (7216, 22382), (7942, 20336), (8569, 18848), (9424, 17138), (10168, 15884), (10912, 14801), (11191, 14432), (11552, 13981), (12464, 12958)]