169790720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 459164160

約数和(自身を除く): 289373440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 389, 440, 496, 620, 640, 682, 704, 778, 880, 992, 1240, 1280, 1364, 1408, 1556, 1705, 1760, 1945, 1984, 2480, 2728, 2816, 3112, 3410, 3520, 3890, 3968, 4279, 4960, 5456, 6224, 6820, 7040, 7780, 7936, 8558, 9920, 10912, 12059, 12448, 13640, 14080, 15560, 17116, 19840, 21395, 21824, 24118, 24896, 27280, 31120, 34232, 39680, 42790, 43648, 48236, 49792, 54560, 60295, 62240, 68464, 85580, 87296, 96472, 99584, 109120, 120590, 124480, 132649, 136928, 171160, 192944, 218240, 241180, 248960, 265298, 273856, 342320, 385888, 436480, 482360, 497920, 530596, 547712, 663245, 684640, 771776, 964720, 1061192, 1095424, 1326490, 1369280, 1543552, 1929440, 2122384, 2652980, 2738560, 3087104, 3858880, 4244768, 5305960, 5477120, 7717760, 8489536, 10611920, 15435520, 16979072, 21223840, 33958144, 42447680, 84895360, 169790720]

約数ペア:

[(1, 169790720), (2, 84895360), (4, 42447680), (5, 33958144), (8, 21223840), (10, 16979072), (11, 15435520), (16, 10611920), (20, 8489536), (22, 7717760), (31, 5477120), (32, 5305960), (40, 4244768), (44, 3858880), (55, 3087104), (62, 2738560), (64, 2652980), (80, 2122384), (88, 1929440), (110, 1543552), (124, 1369280), (128, 1326490), (155, 1095424), (160, 1061192), (176, 964720), (220, 771776), (248, 684640), (256, 663245), (310, 547712), (320, 530596), (341, 497920), (352, 482360), (389, 436480), (440, 385888), (496, 342320), (620, 273856), (640, 265298), (682, 248960), (704, 241180), (778, 218240), (880, 192944), (992, 171160), (1240, 136928), (1280, 132649), (1364, 124480), (1408, 120590), (1556, 109120), (1705, 99584), (1760, 96472), (1945, 87296), (1984, 85580), (2480, 68464), (2728, 62240), (2816, 60295), (3112, 54560), (3410, 49792), (3520, 48236), (3890, 43648), (3968, 42790), (4279, 39680), (4960, 34232), (5456, 31120), (6224, 27280), (6820, 24896), (7040, 24118), (7780, 21824), (7936, 21395), (8558, 19840), (9920, 17116), (10912, 15560), (12059, 14080), (12448, 13640)]