289297920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 160

約数和(自身を含む): 934940160

約数和(自身を除く): 645642240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 256, 271, 278, 320, 384, 417, 480, 512, 542, 556, 640, 695, 768, 813, 834, 960, 1084, 1112, 1280, 1355, 1390, 1536, 1626, 1668, 1920, 2085, 2168, 2224, 2560, 2710, 2780, 3252, 3336, 3840, 4065, 4170, 4336, 4448, 5420, 5560, 6504, 6672, 7680, 8130, 8340, 8672, 8896, 10840, 11120, 13008, 13344, 16260, 16680, 17344, 17792, 21680, 22240, 26016, 26688, 32520, 33360, 34688, 35584, 37669, 43360, 44480, 52032, 53376, 65040, 66720, 69376, 71168, 75338, 86720, 88960, 104064, 106752, 113007, 130080, 133440, 138752, 150676, 173440, 177920, 188345, 208128, 213504, 226014, 260160, 266880, 301352, 346880, 355840, 376690, 416256, 452028, 520320, 533760, 565035, 602704, 693760, 753380, 904056, 1040640, 1067520, 1130070, 1205408, 1506760, 1808112, 2081280, 2260140, 2410816, 3013520, 3616224, 4520280, 4821632, 6027040, 7232448, 9040560, 9643264, 12054080, 14464896, 18081120, 19286528, 24108160, 28929792, 36162240, 48216320, 57859584, 72324480, 96432640, 144648960, 289297920]

約数ペア:

[(1, 289297920), (2, 144648960), (3, 96432640), (4, 72324480), (5, 57859584), (6, 48216320), (8, 36162240), (10, 28929792), (12, 24108160), (15, 19286528), (16, 18081120), (20, 14464896), (24, 12054080), (30, 9643264), (32, 9040560), (40, 7232448), (48, 6027040), (60, 4821632), (64, 4520280), (80, 3616224), (96, 3013520), (120, 2410816), (128, 2260140), (139, 2081280), (160, 1808112), (192, 1506760), (240, 1205408), (256, 1130070), (271, 1067520), (278, 1040640), (320, 904056), (384, 753380), (417, 693760), (480, 602704), (512, 565035), (542, 533760), (556, 520320), (640, 452028), (695, 416256), (768, 376690), (813, 355840), (834, 346880), (960, 301352), (1084, 266880), (1112, 260160), (1280, 226014), (1355, 213504), (1390, 208128), (1536, 188345), (1626, 177920), (1668, 173440), (1920, 150676), (2085, 138752), (2168, 133440), (2224, 130080), (2560, 113007), (2710, 106752), (2780, 104064), (3252, 88960), (3336, 86720), (3840, 75338), (4065, 71168), (4170, 69376), (4336, 66720), (4448, 65040), (5420, 53376), (5560, 52032), (6504, 44480), (6672, 43360), (7680, 37669), (8130, 35584), (8340, 34688), (8672, 33360), (8896, 32520), (10840, 26688), (11120, 26016), (13008, 22240), (13344, 21680), (16260, 17792), (16680, 17344)]