289584640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 160

約数和(自身を含む): 742452480

約数和(自身を除く): 452867840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 89, 124, 128, 155, 160, 164, 178, 205, 248, 256, 310, 320, 328, 356, 410, 445, 496, 512, 620, 640, 656, 712, 820, 890, 992, 1240, 1271, 1280, 1312, 1424, 1640, 1780, 1984, 2480, 2542, 2560, 2624, 2759, 2848, 3280, 3560, 3649, 3968, 4960, 5084, 5248, 5518, 5696, 6355, 6560, 7120, 7298, 7936, 9920, 10168, 10496, 11036, 11392, 12710, 13120, 13795, 14240, 14596, 15872, 18245, 19840, 20336, 20992, 22072, 22784, 25420, 26240, 27590, 28480, 29192, 36490, 39680, 40672, 44144, 45568, 50840, 52480, 55180, 56960, 58384, 72980, 79360, 81344, 88288, 101680, 104960, 110360, 113119, 113920, 116768, 145960, 162688, 176576, 203360, 220720, 226238, 227840, 233536, 291920, 325376, 353152, 406720, 441440, 452476, 467072, 565595, 583840, 650752, 706304, 813440, 882880, 904952, 934144, 1131190, 1167680, 1412608, 1626880, 1765760, 1809904, 1868288, 2262380, 2335360, 3253760, 3531520, 3619808, 4524760, 4670720, 7063040, 7239616, 9049520, 9341440, 14479232, 18099040, 28958464, 36198080, 57916928, 72396160, 144792320, 289584640]

約数ペア:

[(1, 289584640), (2, 144792320), (4, 72396160), (5, 57916928), (8, 36198080), (10, 28958464), (16, 18099040), (20, 14479232), (31, 9341440), (32, 9049520), (40, 7239616), (41, 7063040), (62, 4670720), (64, 4524760), (80, 3619808), (82, 3531520), (89, 3253760), (124, 2335360), (128, 2262380), (155, 1868288), (160, 1809904), (164, 1765760), (178, 1626880), (205, 1412608), (248, 1167680), (256, 1131190), (310, 934144), (320, 904952), (328, 882880), (356, 813440), (410, 706304), (445, 650752), (496, 583840), (512, 565595), (620, 467072), (640, 452476), (656, 441440), (712, 406720), (820, 353152), (890, 325376), (992, 291920), (1240, 233536), (1271, 227840), (1280, 226238), (1312, 220720), (1424, 203360), (1640, 176576), (1780, 162688), (1984, 145960), (2480, 116768), (2542, 113920), (2560, 113119), (2624, 110360), (2759, 104960), (2848, 101680), (3280, 88288), (3560, 81344), (3649, 79360), (3968, 72980), (4960, 58384), (5084, 56960), (5248, 55180), (5518, 52480), (5696, 50840), (6355, 45568), (6560, 44144), (7120, 40672), (7298, 39680), (7936, 36490), (9920, 29192), (10168, 28480), (10496, 27590), (11036, 26240), (11392, 25420), (12710, 22784), (13120, 22072), (13795, 20992), (14240, 20336), (14596, 19840), (15872, 18245)]