166351640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2041

約数の個数: 128

約数和(自身を含む): 480936960

約数和(自身を除く): 314585320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 1987, 2093, 2392, 2990, 3220, 3640, 3974, 4186, 5980, 6440, 7948, 8372, 9935, 10465, 11960, 13909, 15896, 16744, 19870, 20930, 25831, 27818, 39740, 41860, 45701, 51662, 55636, 69545, 79480, 83720, 91402, 103324, 111272, 129155, 139090, 180817, 182804, 206648, 228505, 258310, 278180, 319907, 361634, 365608, 457010, 516620, 556360, 594113, 639814, 723268, 904085, 914020, 1033240, 1188226, 1279628, 1446536, 1599535, 1808170, 1828040, 2376452, 2559256, 2970565, 3199070, 3616340, 4158791, 4752904, 5941130, 6398140, 7232680, 8317582, 11882260, 12796280, 16635164, 20793955, 23764520, 33270328, 41587910, 83175820, 166351640]

約数ペア:

[(1, 166351640), (2, 83175820), (4, 41587910), (5, 33270328), (7, 23764520), (8, 20793955), (10, 16635164), (13, 12796280), (14, 11882260), (20, 8317582), (23, 7232680), (26, 6398140), (28, 5941130), (35, 4752904), (40, 4158791), (46, 3616340), (52, 3199070), (56, 2970565), (65, 2559256), (70, 2376452), (91, 1828040), (92, 1808170), (104, 1599535), (115, 1446536), (130, 1279628), (140, 1188226), (161, 1033240), (182, 914020), (184, 904085), (230, 723268), (260, 639814), (280, 594113), (299, 556360), (322, 516620), (364, 457010), (455, 365608), (460, 361634), (520, 319907), (598, 278180), (644, 258310), (728, 228505), (805, 206648), (910, 182804), (920, 180817), (1196, 139090), (1288, 129155), (1495, 111272), (1610, 103324), (1820, 91402), (1987, 83720), (2093, 79480), (2392, 69545), (2990, 55636), (3220, 51662), (3640, 45701), (3974, 41860), (4186, 39740), (5980, 27818), (6440, 25831), (7948, 20930), (8372, 19870), (9935, 16744), (10465, 15896), (11960, 13909)]